A member of the German wireless police picks up signals on the radio equipment he carries on his back, while his colleague takes notes. (Photo by General Photographic Agency/Getty Images). Circa 1925

A Mark IV tank, part of the parade at the Lord Mayor's Show in London. (Photo by Topical Press Agency/Getty Images). November 1917

A workman takes a siesta on a girder during the building of Radio City, the city of New York spread out below. (Photo by General Photographic Agency/Getty Images). Circa 1933

The Verreauxs Sifaka, otherwise known as Dancing Sifaka, who was caught strutting its stuff in Madagascar, has definitely learnt a lesson or two from King Julian – from the 2005 film “Madagascar”. Raising both of its arms and lunging from side to side, this lemur definitely likes to move it, move it. (Photo by Shannon Wild/Caters News Agency)

We all have our own ways of passing time on our daily commutes. Some people read, others try to sleep, and many listen to music or play on their phones. But one creative commuter has a simple and highly entertaining way that hopefully more people will embrace. By placing a face from a newspaper in front of a person at just the right angle, they transform other commuters into recognizable celebrities while keeping the unbeknownst participant obscured.

Russian soldiers write home while serving on the Eastern Front during World War I, circa 1915. (Photo by Hulton Archive/Getty Images)

Astronaut Chris Hadfield Explains How to Wash your Hands in Space.

Look at the image for long enough and you can make the train change direction simply by thinking about it. Freaky.