A quadcopter usually has enough thrust to stay ... like this hexacopter with an innovative motor layout to achieve six degrees of freedom, or a conventional helicopter with a virtual swash plate.

v=TjXvzMdf8Nk&w=470] It was bound to happen sooner or later, but that doesn’t diminish the awesomeness of [Matthew]’s Raspberry Pi-powered quadcopter ... to give each motor – is handled ...

According to the team’s results, the BrainGate array wired directly to motor neurons offered a “sixfold improvement” on the ...

A brain-computer interface, surgically placed in a research participant with tetraplegia, paralysis in all four limbs, ...