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Space builders aboard the International Space Station. | The 17 Most Spectacular NASA Photos Ever Taken

The International Space Station (ISS) is a habitable artificial satellite in low Earth orbit. Astronauts Robert L. Curbeam (USA) and Christer Fuglesang (Sweden) work to attach a new truss segment to the ISS and begin to upgrade the power grid.

Rubbee Turns Any Old Bicycle Into an Electric Bike In Seconds

Rubbee is a revolutionary electric drive which can be mounted on any bicycle in just a few seconds. Rubbee is a high-efficiency electric friction drive for bicycles. It changes the way regular bicycles used to be converted into electric ones.

Torres del Paine National Park, Chile

Mountain Stream in Torres del Paine, Chile. Torres del Paine National Park is a national park encompassing mountains, glaciers, lakes, and rivers in southern Chilean Patagonia. The Cordillera del Paine is the centerpiece of the park.