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Reason: None provided.

Find any open body of water, so you can use it for level.

Water is not a level.... Much less an open body of water with wind and waves.

Give me fucking break. That's even more retarded than thinking the earth is flat.

What you will observe is that the laser is at about the same height, the tiny variation is within the tolerance of an imperfect setup and it's well within margin of error to conclude that the earth doesn't curve.

No, it's not within the margin of error at all.

Let's do the math...


https://www.calculator.net/triangle-calculator.html?vc=&vx=2&vy=&va=90&vz=126720&vb=&angleunits=d&x=Calculate

Angle A = 90 degrees (the target standing vertically)

Side B = 2 inches (a desirable margin of error)

Side C = 126720 inches (2 mile distance)

Result: Angle B = 0.00090429. (the angle of the laser on the 1st bank)


That means for roughly every 1/1,000th of a degree that laser is off, the dot on the other end will be 2 inches higher or 2 inches lower.

That's a range of 4 inches. That's an acceptable tolerance.

But the most accurate construction levels I could find boast an accuracy of 0.029 degrees. https://vinatools.de/70-nivo-spirit-levels/

So assume you use that tool and it tells you that the laser is level...

But really it's 0.029 degrees off from true level....

Now lets plug that info into the triangle calculator, and see what our margin of error becomes at a distance of 2 miles.


https://www.calculator.net/triangle-calculator.html?vc=&vx=&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate

Angle A = 90 degrees (target standing vertically)

Side C = 126720 inches (2 miles)

Angle B = 0.029 (the margin for error when using a construction level)

Result: Side B = 64.13876 inches (the margin of error you will get)


That means if the laser is off by just 0.029 degrees it will be 64 inches higher or 64 inches lower than your desired target.

That is a range of 128 inches that you can expect to be off in either direction when using a construction grade leveler.

22 days ago
1 score
Reason: None provided.

Find any open body of water, so you can use it for level.

Water is not a level.... Much less an open body of water with wind and waves.

Give me fucking break. That's even more retarded than thinking the earth is flat.

What you will observe is that the laser is at about the same height, the tiny variation is within the tolerance of an imperfect setup and it's well within margin of error to conclude that the earth doesn't curve.

No, it's not within the margin of error at all.

Let's do the math...


https://www.calculator.net/triangle-calculator.html?vc=&vx=2&vy=&va=90&vz=126720&vb=&angleunits=d&x=Calculate

Angle A = 90 degrees (the target standing vertically)

Side B = 2 inches (a desirable margin of error)

Side C = 126720 inches (2 mile distance)

Result: Angle B = 0.00090429. (the angle of the laser on the 1st bank)


That means for roughly every 1/1,000th of a degree that laser is off, the dot on the other end will be 2 inches higher or 2 inches lower.

That's a range of 4 inches. That's an acceptable tolerance.

But the most accurate construction levels I could find boast an accuracy of 0.029 degrees. https://vinatools.de/70-nivo-spirit-levels/

So assume you use that tool and it tells you that the laser is level...

But really it's 0.029 degrees off from true level....

Now lets plug that info into the triangle calculator, and see what our margin of error becomes with a variance of 0.029 degrees.


https://www.calculator.net/triangle-calculator.html?vc=&vx=&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate

Angle A = 90 degrees (target standing vertically)

Side C = 126720 inches (2 miles)

Angle B = 0.029 (the margin for error when using a construction level)

Result: Side B = 64.13876 inches (the margin of error you will get)


That means if the laser is off by just 0.029 degrees it will be 64 inches higher or 64 inches lower than your desired target.

That is a range of 128 inches that you can expect to be off in either direction when using a construction grade leveler.

22 days ago
1 score
Reason: None provided.

Find any open body of water, so you can use it for level.

Water is not a level.... Much less an open body of water with wind and waves.

Give me fucking break. That's even more retarded than thinking the earth is flat.

What you will observe is that the laser is at about the same height, the tiny variation is within the tolerance of an imperfect setup and it's well within margin of error to conclude that the earth doesn't curve.

No, it's not within the margin of error at all.

Let's do the math...


https://www.calculator.net/triangle-calculator.html?vc=&vx=2&vy=&va=90&vz=126720&vb=&angleunits=d&x=Calculate

Angle A = 90 degrees (the target standing vertically)

Side B = 2 inches (a desirable margin of error)

Side C = 126720 inches (2 mile distance)

Result: Angle B = 0.00090429. (the angle of the laser on the 1st bank)


That means for roughly every 1/1,000th of a degree that laser is off, the dot on the other end will be 2 inches higher or 2 inches lower.

That's a range of 4 inches. That's an acceptable tolerance.

But the most accurate construction levels I could find boast an accuracy of 0.029 degrees. https://vinatools.de/70-nivo-spirit-levels/

So assume you use that tool and it tells you that the laser is level...

But really it's 0.029 degrees off from true level....

Now lets plug that info into the triangle calculator, and see what our margin of error becomes with a variance of 0.029 degrees.


https://www.calculator.net/triangle-calculator.html?vc=&vx=&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate

Angle A = 90 degrees (target standing vertically)

Side B = ??? (the margin of error on the opposite side of the lake)

Side C = 126720 inches (2 miles)

Angle B = 0.029 (the margin for error when using a construction level)

Result: Side B = 64.13876 inches (the margin of error you will get)


That means if the laser is off by just 0.029 degrees it will be 64 inches higher or 64 inches lower than your desired target.

That is a range of 128 inches that you can expect to be off in either direction when using a construction grade leveler.

22 days ago
1 score
Reason: None provided.

Find any open body of water, so you can use it for level.

Water is not a level.... Much less an open body of water with wind and waves.

Give me fucking break. That's even more retarded than thinking the earth is flat.

What you will observe is that the laser is at about the same height, the tiny variation is within the tolerance of an imperfect setup and it's well within margin of error to conclude that the earth doesn't curve.

No, it's not within the margin of error at all.

Let's do the math...


https://www.calculator.net/triangle-calculator.html?vc=&vx=2&vy=&va=90&vz=126720&vb=&angleunits=d&x=Calculate

Angle A = 90 degrees (the target standing vertically)

Side B = 2 inches (a desirable margin of error)

Side C = 126720 inches (2 mile distance)

Result: Angle B = 0.00090429. (the angle of the laser on the 1st bank)


That means for roughly every 1/1,000th of a degree that laser is off, the dot on the other end will be 2 inches higher or 2 inches lower.

That's a range of 4 inches. That's an acceptable tolerance.

But the most accurate construction levels I could find boast an accuracy of 0.029 degrees. https://vinatools.de/70-nivo-spirit-levels/

So assume you use that tool and it tells you that the laser is level...

But really it's 0.029 degrees off from true level....

Now lets plug that info into the triangle calculator, and see what our margin of error becomes with a variance of 0.029 degrees at a distance of 2 miles.


https://www.calculator.net/triangle-calculator.html?vc=&vx=&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate

Angle A = 90 degrees (target standing vertically)

Side B = ??? (the margin of error on the opposite side of the lake)

Side C = 126720 inches (2 miles)

Angle B = 0.029 (the margin for error when using a construction level)

Result: Side B = 64.13876 inches (the margin of error you will get)


That means if the laser is off by just 0.029 degrees it will be 64 inches higher or 64 inches lower than your desired target.

That is a range of 128 inches that you can expect to be off in either direction when using a construction grade leveler.

22 days ago
1 score
Reason: None provided.

Find any open body of water, so you can use it for level.

Water is not a level.... Much less an open body of water with wind and waves.

Give me fucking break. That's even more retarded than thinking the earth is flat.

What you will observe is that the laser is at about the same height, the tiny variation is within the tolerance of an imperfect setup and it's well within margin of error to conclude that the earth doesn't curve.

No, it's not within the margin of error at all.

Let's do the math...


https://www.calculator.net/triangle-calculator.html?vc=&vx=2&vy=&va=90&vz=126720&vb=&angleunits=d&x=Calculate

Angle A = 90 degrees (the target standing vertically)

Side B = 2 inches (a desirable margin of error)

Side C = 126720 inches (2 mile distance)

Result: Angle B = 0.00090429. (the angle of the laser on the 1st bank)


That means for roughly every 1/1,000th of a degree that laser is off, the dot on the other end will be 2 inches higher or 2 inches lower.

That's a range of 4 inches. That's an acceptable tolerance.

But the most accurate construction levels I could find boast an accuracy of 0.029 degrees. https://vinatools.de/70-nivo-spirit-levels/

So assume you use that tool and it tells you that the laser is level...

But really it's 0.029 degrees off from true level....

Now lets plug that info into the triangle calculator, and see what our margin of error becomes...


https://www.calculator.net/triangle-calculator.html?vc=&vx=&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate

Angle A = 90 degrees (target standing vertically)

Side B = ??? (the margin of error on the opposite side of the lake)

Side C = 126720 inches (2 miles)

Angle B = 0.029 (the margin for error when using a construction level)

Result: Side B = 64.13876 inches (the margin of error you will get)


That means if the laser is off by just 0.029 degrees it will be 64 inches higher or 64 inches lower than your desired target.

That is a range of 128 inches that you can expect to be off in either direction when using a construction grade leveler...

22 days ago
1 score
Reason: None provided.

Find any open body of water, so you can use it for level.

Water is not a level.... Much less an open body of water with wind and waves.

Give me fucking break. That's even more retarded than thinking the earth is flat.

What you will observe is that the laser is at about the same height, the tiny variation is within the tolerance of an imperfect setup and it's well within margin of error to conclude that the earth doesn't curve.

No, it's not within the margin of error at all.

Let's do the math...


https://www.calculator.net/triangle-calculator.html?vc=&vx=2&vy=&va=90&vz=126720&vb=&angleunits=d&x=Calculate

Angle A = 90 degrees (the target standing vertically)

Side B = 2 inches (a desirable margin of error)

Side C = 126720 inches (2 mile distance)

Result: Angle A = 0.00090429. (the angle of the laser on the 1st bank)


That means for roughly every 1/1,000th of a degree that laser is off, the dot on the other end will be 2 inches higher or 2 inches lower.

That's a range of 4 inches. That's an acceptable tolerance.

But the most accurate construction levels I could find boast an accuracy of 0.029 degrees. https://vinatools.de/70-nivo-spirit-levels/

So assume you use that tool and it tells you that the laser is level...

But really it's 0.029 degrees off from true level....

Now lets plug that info into the triangle calculator, and see what our margin of error becomes...


https://www.calculator.net/triangle-calculator.html?vc=&vx=&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate

Angle A = 90 degrees (target standing vertically)

Side B = ??? (the margin of error on the opposite side of the lake)

Side C = 126720 inches (2 miles)

Angle B = 0.029 (the margin for error when using a construction level)

Result: Side B = 64.13876 inches (the margin of error you will get)


That means if the laser is off by just 0.029 degrees it will be 64 inches higher or 64 inches lower than your desired target.

That is a range of 128 inches that you can expect to be off in either direction when using a construction grade leveler...

22 days ago
1 score
Reason: None provided.

Find any open body of water, so you can use it for level.

Water is not a level.... Much less an open body of water with wind and waves.

Give me fucking break. That's even more retarded than thinking the earth is flat.

What you will observe is that the laser is at about the same height, the tiny variation is within the tolerance of an imperfect setup and it's well within margin of error to conclude that the earth doesn't curve.

No, it's not within the margin of error at all.

Let's do the math...


https://www.calculator.net/triangle-calculator.html?vc=&vx=2&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate

Angle A = 90 degrees (the target standing vertically)

Side B = 2 inches (a desirable margin of error)

Side C = 126720 inches (2 mile distance)

Result: Angle A = 0.00090429. (the angle of the laser on the 1st bank)


That means for roughly every 1/1,000th of a degree that laser is off, the dot on the other end will be 2 inches higher or 2 inches lower.

That's a range of 4 inches. That's an acceptable tolerance.

But the most accurate construction levels I could find boast an accuracy of 0.029 degrees. https://vinatools.de/70-nivo-spirit-levels/

So assume you use that tool and it tells you that the laser is level...

But really it's 0.029 degrees off from true level....

Now lets plug that info into the triangle calculator, and see what our margin of error becomes...


https://www.calculator.net/triangle-calculator.html?vc=&vx=&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate

Angle A = 90 degrees (target standing vertically)

Side B = ??? (the margin of error on the opposite side of the lake)

Side C = 126720 inches (2 miles)

Angle B = 0.029 (the margin for error when using a construction level)

Result: Side B = 64.13876 inches (the margin of error you will get)


That means if the laser is off by just 0.029 degrees it will be 64 inches higher or 64 inches lower than your desired target.

That is a range of 128 inches that you can expect to be off in either direction when using a construction grade leveler...

22 days ago
1 score
Reason: None provided.

Find any open body of water, so you can use it for level.

Water is not a level.... Much less an open body of water with wind and waves.

Give me fucking break. That's even more retarded than thinking the earth is flat.

What you will observe is that the laser is at about the same height, the tiny variation is within the tolerance of an imperfect setup and it's well within margin of error to conclude that the earth doesn't curve.

No, it's not within the margin of error at all.

Let's do the math...

https://www.calculator.net/triangle-calculator.html


Angle A = 90 degrees (the target standing vertically)

Side B = 2 inches (a desirable margin of error)

Side C = 126720 inches (2 mile distance)

Result: Angle A = 0.00090429. (the angle of the laser on the 1st bank)

https://www.calculator.net/triangle-calculator.html?vc=&vx=2&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate


That means for roughly every 1/1,000th of a degree that laser is off, the dot on the other end will be 2 inches higher or 2 inches lower.

That's a range of 4 inches. That's an acceptable tolerance.

But the most accurate construction levels I could find boast an accuracy of 0.029 degrees. https://vinatools.de/70-nivo-spirit-levels/

So assume you use that tool and it tells you that the laser is level...

But really it's 0.029 degrees off from true level....

Now lets plug that info into the triangle calculator, and see what our margin of error becomes...


Angle A = 90 degrees (target standing vertically)

Side B = ??? (the margin of error on the opposite side of the lake)

Side C = 126720 inches (2 miles)

Angle B = 0.029 (the margin for error when using a construction level)

Result: Side B = 64.13876 inches (the margin of error you will get)

https://www.calculator.net/triangle-calculator.html?vc=&vx=&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate


That means if the laser is off by just 0.029 degrees it will be 64 inches higher or 64 inches lower than your desired target.

That is a range of 128 inches that you can expect to be off in either direction when using a construction grade leveler...

22 days ago
1 score
Reason: None provided.

Find any open body of water, so you can use it for level.

Water is not a level.... Much less an open body of water with wind and waves.

Give me fucking break. That's even more retarded than thinking the earth is flat.

What you will observe is that the laser is at about the same height, the tiny variation is within the tolerance of an imperfect setup and it's well within margin of error to conclude that the earth doesn't curve.

No, it's not within the margin of error at all.

Let's do the math...

https://www.calculator.net/triangle-calculator.html


Angle A = 90 degrees (the target standing vertically)

Side B = 2 inches (a desirable margin of error)

Side C = 126720 inches (2 mile distance)

Result: Angle A = 0.00090429. (the angle of the laser on the 1st bank)

https://www.calculator.net/triangle-calculator.html?vc=&vx=2&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate


That means for roughly every 1/1,000th of a degree that laser is off, the dot on the other end will be 2 inches higher or 2 inches lower.

That's a range of 4 inches. That's an acceptable tolerance.

But the most accurate construction levels I could find boast an accuracy of 0.029 degrees. https://vinatools.de/70-nivo-spirit-levels/

So assume you use that tool and it tells you that the laser is level...

But really it's 0.029 degrees off from true level....

Now lets plug that info into the triangle calculator, and see what our margin of error becomes...


Angle A = 90 degrees (target standing vertically)

Side B = ??? (the margin of error on the opposite side of the lake)

Side C = 126720 inches (2 miles)

Angle B = 0.029 (the margin for error when using a construction level)

Result: Side B = 64.13876 inches (the margin of error you will get)

https://www.calculator.net/triangle-calculator.html?vc=&vx=&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate


That means if your margin of error is 0.029 degrees it could be 64 inches higher or 64 inches lower than your desired target.

That is a range of 128 inches that you can expect to be off in either direction when using a construction grade leveler...

22 days ago
1 score
Reason: None provided.

Find any open body of water, so you can use it for level.

Water is not a level.... Much less an open body of water with wind and waves.

Give me fucking break. That's even more retarded than thinking the earth is flat.

What you will observe is that the laser is at about the same height, the tiny variation is within the tolerance of an imperfect setup and it's well within margin of error to conclude that the earth doesn't curve.

No, it's not within the margin of error at all.

Let's do the math...

https://www.calculator.net/triangle-calculator.html


Side B = 2 inches (a desirable margin of error)

Side C = 126720 inches (2 mile distance)

Angle Y = 90 degrees (the target standing vertically)

Result: Angle A = 0.00090429.

https://www.calculator.net/triangle-calculator.html?vc=&vx=2&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate


That means for roughly every 1/1,000th of a degree that laser is off, the dot on the other end will be 2 inches higher or 2 inches lower.

That's a range of 4 inches. That's an acceptable tolerance.

But the most accurate construction levels I could find boast an accuracy of 0.029 degrees. https://vinatools.de/70-nivo-spirit-levels/

So assume you use that tool to level the laser and it tells you that the laser is level...

But really it's 0.029 degrees off from true level....

Now lets plug that info into the triangle calculator, and see what our margin of error becomes...


Side B = ???

Side C = 126720 inches (2 miles)

Angle A = 90 degrees (target standing vertically)

Angle B = 0.029 (the margin for error when using a construction level)

Result: Side B = 64.13876 inches (the margin of error you will get)

https://www.calculator.net/triangle-calculator.html?vc=&vx=&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate


That means if your margin of error is 0.029 degrees it could be 64 inches higher or 64 inches lower than your desired target.

That is a range of 128 inches that you can expect to be off in either direction when using a construction grade leveler...

22 days ago
1 score
Reason: None provided.

Find any open body of water, so you can use it for level.

Water is not a level.... Much less an open body of water with wind and waves.

Give me fucking break. That's even more retarded than thinking the earth is flat.

What you will observe is that the laser is at about the same height, the tiny variation is within the tolerance of an imperfect setup and it's well within margin of error to conclude that the earth doesn't curve.

No, it's not within the margin of error at all.

Let's do the math...

https://www.calculator.net/triangle-calculator.html


Side B = 2 inches (a desirable margin of error)

Side C = 126720 inches (2 mile distance)

Angle Y = 90 degrees (the target standing vertically)

Result: Angle A = 0.00090429.

https://www.calculator.net/triangle-calculator.html?vc=&vx=2&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate


That means for roughly every 1/1,000th of a degree that laser is off, the dot on the other end will be 2 inches higher or 2 inches lower.

That's a range of 4 inches. That's an acceptable tolerance.

But the most accurate construction levels I could find boast an accuracy of 0.029 degrees. https://vinatools.de/70-nivo-spirit-levels/

So assume you use that tool to level the laser and it tells you that the laser is level...

But really it's 0.029 degrees off from true level....

Now lets plug that info into the triangle calculator, and see what our margin of error becomes...


Side B = ???

Side C = 126720 inches (2 miles)

Angle A = 90 degrees (target standing vertically)

Angle B = 0.029 (the margin for error when using a construction level)

Result: Side B = 64.13876 inches (the margin of error you will get)

https://www.calculator.net/triangle-calculator.html?vc=&vx=&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate


That means if your margin of error is 0.029 degrees it could be 64 inches higher or 64 inches lower than your desired target.

That is a range of 128 inches that you can expect to be off in either direction....

So yes... Having a very accurate level is super critical for your experiment to have even the slightest bit of credibility.

22 days ago
1 score
Reason: None provided.

Find any open body of water, so you can use it for level.

Water is not a level.... Much less an open body of water with wind and waves.

Give me fucking break. That's even more retarded than thinking the earth is flat.

What you will observe is that the laser is at about the same height, the tiny variation is within the tolerance of an imperfect setup and it's well within margin of error to conclude that the earth doesn't curve.

No, it's not within the margin of error at all.

Let's do the math...

https://www.calculator.net/triangle-calculator.html


Side B = 2 inches (the difference in laser height on the other side of the lake)

Side C = 126720 inches (2 mile distance)

Angle Y = 90 degrees

Result: Angle A = 0.00090429.

https://www.calculator.net/triangle-calculator.html?vc=&vx=2&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate


That means for roughly every 1/1,000th of a degree that laser is off, the dot on the other end will be 2 inches higher or 2 inches lower.

That's a range of 4 inches. That's an acceptable tolerance.

But the most accurate construction levels I could find boast an accuracy of 0.029 degrees. https://vinatools.de/70-nivo-spirit-levels/

So assume you use that tool to level the laser and it tells you that it's perfectly level...

But really it's 0.029 degrees off from true level....

Now lets plug that info into the triangle calculator, and see what our margin of error becomes...


Side B = ??? (the difference in laser height on the other side of the lake)

Side C = 126720 inches (2 miles)

Angle A = 90 degrees

Angle B = 0.029 (the margin for error when using a construction level)

Result: Side B = 64.13876 inches

https://www.calculator.net/triangle-calculator.html?vc=&vx=&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate


That means if your margin of error is 0.029 degrees it could be 64 inches higher or 64 inches lower than your desired target.

That gives it margin of error of 128 inches that you can expect to be off on the other side at a distance of 2 miles.

22 days ago
1 score
Reason: None provided.

Find any open body of water, so you can use it for level.

Water is not a level.... Much less an open body of water on a lake with wind and waves.

Give me fucking break. That's practically dumber than thinking the earth is flat.

What you will observe is that the laser is at about the same height, the tiny variation is within the tolerance of an imperfect setup and it's well within margin of error to conclude that the earth doesn't curve.

No, it's not within the margin of error at all.

Let's do the math...

https://www.calculator.net/triangle-calculator.html


Side B = 2 inches (the difference in laser height on the other side of the lake)

Side C = 126720 inches (2 mile distance)

Angle Y = 90 degrees

Result: Angle A = 0.00090429.

https://www.calculator.net/triangle-calculator.html?vc=&vx=2&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate


That means for roughly every 1/1,000th of a degree that laser is off, the dot on the other end will be 2 inches higher or 2 inches lower.

That's a range of 4 inches. That's an acceptable tolerance.

But the most accurate construction levels I could find boast an accuracy of 0.029 degrees. https://vinatools.de/70-nivo-spirit-levels/

So assume you use that tool to level the laser and it tells you that it's perfectly level...

But really it's 0.029 degrees off from true level....

Now lets plug that info into the triangle calculator, and see what our margin of error becomes...


Side B = ??? (the difference in laser height on the other side of the lake)

Side C = 126720 inches (2 miles)

Angle A = 90 degrees

Angle B = 0.029 (the margin for error when using a construction level)

Result: Side B = 64.13876 inches

https://www.calculator.net/triangle-calculator.html?vc=&vx=&vy=&va=90&vz=126720&vb=0.029&angleunits=d&x=Calculate


That means if your margin of error is 0.029 degrees it could be 64 inches higher or 64 inches lower than your desired target.

That gives it margin of error of 128 inches that you can expect to be off on the other side at a distance of 2 miles.

22 days ago
1 score
Reason: None provided.

Find any open body of water, so you can use it for level.

Water is not a level.... Much less an open body of water on a lake with wind and waves.

Give me fucking break. That's practically dumber than thinking the earth is flat.

What you will observe is that the laser is at about the same height, the tiny variation is within the tolerance of an imperfect setup and it's well within margin of error to conclude that the earth doesn't curve.

No, it's not within the margin of error at all.

Let's do the math...

https://www.calculator.net/triangle-calculator.html

Side B = 2 inches (desired vertical margin of error) Side C = 126720 inches (2 mile distance) Angle Y = 90 degrees Result: Angle A = 0.00090429.

That means for roughly every 1/1,000th of a degree that laser is off, the dot on the other end will be 2 inches higher or 2 inches lower.

That means at if your margin for error is 1/1,000th of a degree you have a range of 4 inches on the other side that you could be off by...

That's an acceptable tolerance.

But the most accurate construction levels I could find boast an accuracy of 0.029 degrees. https://vinatools.de/70-nivo-spirit-levels/

So assume you use this tool level the laser and it tells you that it's perfectly level.. But really it's 0.029 degrees off from true level....

Now lets plug that info into the triangle calculator, and see what our margin of error becomes...

Side C = 126720 inches (2 miles) Angle A = 90 degrees Angle B = 0.029 (the margin for error using a construction level) Result: Side B = 64.13876

That means if your margin of error is 0.029 degrees it could be 64 inches higher or 64 inches lower than your desired target.

That gives it margin of error of 128 inches that you can expect to be off on the other side.

22 days ago
1 score
Reason: Original

Find any open body of water, so you can use it for level.

Water is not a level.... Much less an open body of water on a lake with wind and waves.

Give me fucking break. That's practically dumber than thinking the earth is flat.

What you will observe is that the laser is at about the same height, the tiny variation is within the tolerance of an imperfect setup and it's well within margin of error to conclude that the earth doesn't curve.

No it's within the margin of error at all.

Let's do the math...

https://www.inchcalculator.com/triangle-calculator/

Side B = 2 inches (desired vertical margin of error) Side C = 126720 inches (2 mile distance) Angle Y = 90 degrees Result: Angle A = 0.00090429.

That means for roughly every 1/1,000th of a degree that laser is off, the dot on the other end will be 2 inches higher or 2 inches lower.

That means at if your margin for error is 1/1,000th of a degree you have a range of 4 inches on the other side that you could be off by...

That's an acceptable tolerance.

But the most accurate construction levels I could find boast an accuracy of 0.029 degrees. https://vinatools.de/70-nivo-spirit-levels/

So assume you use this tool level the laser and it tells you that it's perfectly level.. But really it's 0.029 degrees off from true level....

Now lets plug that info into the triangle calculator, and see what our margin of error becomes...

Side C = 126720 inches (2 miles) Angle A = 90 degrees Angle B = 0.029 (the margin for error using a construction level) Result: Side B = 64.13876

That means if your margin of error is 0.029 degrees it could be 64 inches higher or 64 inches lower than your desired target.

That gives it margin of error of 128 inches that you can expect to be off on the other side.

22 days ago
1 score