A group of students built an autonomous unmanned solar powered drone boat and sent it to a journey to cross the Atlantic. What even cooler, you can actually track it online using the Transatlantic Tracker.
Zeppelins are making a comeback and rightfully so. They are capable to carry vast amounts of cargo, they don't require costly airports and their fuel consumption is only one third of a conventional cargo plane.
I know a lot of people who do not care for wearing a helmet when on a bike for a common reason of looking silly or it will mess up their hair. This amazing invisible helmet could be quite revolutionary.
