Probably only interesting to me
According to the BBC, a ramp has been designed that “creates“ power as cars drive over it. BBC News story
On first reading it seems that the inventor has conveniently circumvented the laws of thermodynamics, and is creating power from nothing.
I assumed the ramp is to be used...
A rather amazing sculpture, the subject of which is somewhat difficult to grasp, has been designed by Professor Ocneanu. It is a 3-diminsional representation, or shadow, of a 4-dimensional shape. More details at Science News Daily.
Another such four dimensional shape, which is perhaps easier to work...