World's fastest high-speed cameras were built to take photos of specific objects. What kind of objects?

bullet shots
rocket launches
nuclear bomb explosions
sound waves
The ra­p­a­tron­ic cameras are capable of record­ing a still image with an exposure time as brief as 10 nanosec­onds (that would give 100 million frames per second if the camera was capable to do multiple pic­tures). The camera uses two po­lar­iz­ing filters mounted with their po­lar­iza­tion angles at 90° to each other and a Faraday cell which briefly changes the po­lar­iza­tion plane of light passing through it, acting as a shutter.

Answers distribution

bullet shots
rocket launches
nuclear bomb explosions
sound waves
answers
flagItaly
10%
5%
73%
10%
19
flagNorway
17%
3%
57%
21%
28
flagIndia
21%
5%
52%
21%
90
flagGermany
16%
12%
50%
19%
56
flagPoland
20%
9%
46%
23%
4215
flagAustralia
25%
6%
43%
25%
16
flagthe United States
23%
8%
41%
26%
246
flagFrance
30%
20%
40%
10%
10
flagthe United Kingdom
21%
5%
37%
34%
116
flagthe Philippines
30%
0%
30%
40%
10
flagthe Netherlands
35%
7%
28%
28%
14
flagCanada
12%
31%
25%
31%
16
flagSouth Africa
10%
0%
20%
70%
10
flagRepublic of Ireland
30%
10%
20%
40%
10

Gender

men49%
women46%
bullet shots
20%
21%
rocket launches
6%
11%
nuclear bomb explosions
49%
46%
sound waves
24%
20%

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World's fastest high-speed cameras were built to take photos of specific objects. What kind of objects?
550
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Author: Cleo
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