Researchers use ultrasonic waves to keep a tiny LED floating in mid air while powering it wirelessly through induction. Stuart McDill reports.
A federal judge on Thursday expressed skepticism on whether or not U.S. President Donald Trump can block Twitter users whose views he does not like. Source link
A drone that takes off like a helicopter but flies like a plane has been developed by a spin-off team from ETH Zurich, as Matthew Stock reports. Source link
UK-based researchers have applied electrical charges to manipulate liquid metal into 2D shapes, bringing to mind the terrifying T-1000 character in the Terminator film franchise, which comes to life from a pool of similar material. Jim Drury reports Source link