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Cross Sectional Area of a Laser Beam
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How does the cross-sectional area of a laser beam affect its cutting power and range?
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What's the most damaging laser you could produce with a kilojoule of energy?
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What's the sharpest a blade could hypothetically be and still cut?
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Why wouldn't we be able to "see" inside a black hole by examining the gravity profiles of things as they fall in, assuming we had better instruments?
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Cross Sectional Area of a Laser Beam
1
--
10
9
8
7
6
5
4
3
2
1
0
How does the cross-sectional area of a laser beam affect its cutting power and range?
1
--
10
9
8
7
6
5
4
3
2
1
0
What's the most damaging laser you could produce with a kilojoule of energy?
1
--
10
9
8
7
6
5
4
3
2
1
0
What's the sharpest a blade could hypothetically be and still cut?
1
--
10
9
8
7
6
5
4
3
2
1
0
Why wouldn't we be able to "see" inside a black hole by examining the gravity profiles of things as they fall in, assuming we had better instruments?
1
--
10
9
8
7
6
5
4
3
2
1
0
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