AreoVironment just got their Nano Air Vehicle project approved by DARPA, which will be the world’s smallest UAV. Instead of an engine or propeller, this new prototype will have moving wings. The company obtained $636,000 and a six months deadline to complete their project, which will be only 3 inches long and will weigh under 10 grams.

With the gas price going upper and upper, regular people decide to stop waiting for companies finding a solution to this, and remodel their vehicles and other gas-fueled equipments. Hacknmod released three comprehensive tutorials on how to save the $4 dollars per gallon when you mow your lawn.