Klemens Torggler's door is an invention based on rotating squares, The special construction makes it possible to move the door sideways without the use of tracks. This technical trick opens up new applications for the door.
The Kikuyu tribe, also spelled as Gikuyu, is the largest ethnic group in Kenya, making up about 22% of the countries total population. That equals around 6 million people, according to the 2007 CIA World Fact Book.
The Prague astronomical clock, or Prague orloj, is a medieval astronomical clock located in Prague, the capital of the Czech Republic. The clock was first installed in 1410, making it the third-oldest astronomical clock in the world and the oldest one still working.
Veterans Day is right around the corner, so it’s nice to see that one of the time-lapses making the most impact online over the past couple of days is one showing a homeless US Army veteran being given a makeover and, in some ways, a new lease on life.
This is the work of Keisuke Yamada, a banana artist Kotaku first profiled in 2011. To make these sculptures, Yamada, an electrician by trade, must work fast, or the banana will start to go bad.