Wolves change the Environment in Yellowstone Park

This video is awesome. Watch how the introduction of wolves changes the ecosystem in Yellowstone
National Park.

It really makes you look at wolves in a different way - but at a distance of course.

Carving a Gothic Tracery Window, Wainwright & Co, Stonemasons

Cathedral Stone masons

Makers - Old Products, New Materials

The First Computer 1946

The images of the first computer debuted in February 1946 when the device comprised 18,000 vacuum tubes, many wires and 170,000 watts of power and filled a 1,500 square foot room.

Read more at http://all-that-is-interesting.com/the-ten-most-iconic-photos-of-the-1940s/4/#ZEKEWf7C8Ii7s1A6.99

The images of the first computer debuted in February 1946 when the device comprised 18,000 vacuum tubes, many wires and 170,000 watts of power and filled a 1,500 square foot room.
Read more at http://all-that-is-interesting.com/the-ten-most-iconic-photos-of-the-1940s/4/#ZEKEWf7C8Ii7s1A6.99

http://all-that-is-interesting.com/the-ten-most-iconic-photos-of-the-1940s

Trebuchet Siege Artillery - Battle Castle with Dan Snow

Enduro Racing on New Zealand Streets at Red Bull City Scramble