Carnegie Mellon university’s National Robotics Engineering Centre (NREC) in Pennsylvania has been awarded a $14.4 million contract by the US Army to build a robotic unmanned tank.
Some of the money will go towards improving NREC’s Crusher, a 6,000kg unmanned ground vehicle shown below.
Mobula Rays (Myliobatidae mobula) in the Gulf of California (a.k.a. the Sea of Cortez) have been photographed “jumping” over two metres into the air.
The Chicago Spire is a $2.4 billion skyscraper under construction that is designed to reduce the high wind speed often found at the base of skyscrapers by using an innovative spiral shape to “scoop” and channel air upwards away from the street.
Richie Sowa has started to build another floating island after his first construction (shown below) was destroyed by a hurricane.
The old island, built from over 250,000 plastic bottles, had a house with a toilet as well as a solar-powered oven. You can get more information at ecoble.