What is the easiest way to see this photo in 3-D?

use polarizing glasses

use red and cyan glasses

use wide-angle glasses

squint eyes

This is anaglyph 3D, an image which contains two differently filtered colored images, one for each eye. Red/Cyan channels are the most common, but Magenta/Green and Blue/Yellow are also popular.

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Answers by country

Unknown

78%

14%

Australia

11%

77%

Germany

21%

75%

Canada

15%

62%

18%

the United States

19%

59%

14%

357

Poland

23%

56%

10%

7956

India

24%

50%

10%

11%

146

the United Kingdom

21%

49%

19%

the Philippines

31%

45%

13%

Austria

40%

20%

Greece

54%

27%

Who should you expect to show stronger red-eye effect?

blue-eyed people

brown-eyed people

elders

there is no difference

Why were photographic prints sepia toned?

sepia process was cheaper than black and white

for improved resistance

it is simply ageing of paper

it is the effect of exposition to sunlight

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

What is the easiest way to see this photo in 3-D?

Answers by country

Who should you expect to show stronger red-eye effect?

Why were photographic prints sepia toned?

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

Augustus was born on 1 January 10BC. Which birthday did he celebrate at 1 January 10AD?