New technique could help spot snooping drones
Now there’s a way to tell if a drone is spying on someone. Researchers have devised a method to tell what a drone is recording — without having to decrypt…
Stars with too much lithium may have stolen it
Something is giving small, pristine stars extra lithium. A dozen newly discovered stars contain more of the element than astronomers can explain. Some of the newfound stars are earlier in…
Your phone is like a spy in your pocket
Consider everything your smartphone has done for you today. Counted your steps? Deposited a check? Transcribed notes? Navigated you somewhere new? Smartphones make for such versatile pocket assistants because they’re…
New device can transmit underwater sound to air
Don’t expect to play a game of Marco Polo by shouting from beneath the pool’s surface. No one will hear you because, normally, only about 0.1 percent of sound is…
Somewhere in the brain is a storage device for memories
People tend to think of memories as deeply personal, ephemeral possessions — snippets of emotions, words, colors and smells stitched into our unique neural tapestries as life goes on. But…