Expert mathematicians stumped by simple subtractions

Mathematical thought is seen as the pinnacle of abstract thinking. But are we capable of filtering out our knowledge about the world to prevent it from interfering with our calculations? Researchers from the University of ...

Why does a spinning egg stand up?

If a hard-boiled egg is spun fast enough on a table, it will slowly stand upright as it continues to spin. Although the spinning egg rises due to the force of friction between the egg and the table, the full explanation involves ...

OSIRIS-REx says hello to the Allen Telescope Array

The Allen Telescope Array uses 42 radio dishes to search for radio transmissions from ET. How do we know the system is working? To answer that we point the dishes in the direction of a spacecraft we know is transmitting radio ...

LG to launch curved smartphone in Europe

South Korea's LG Electronics said on Tuesday it would start selling its first curved-screen smartphone—seen as a first step to fully flexible products—in Europe next month.

Picosecond Oscilloscope

An oscilloscope is a device for displaying signals that are too fast to be seen by the human eye. Typically the signal consists of a voltage level that changes quickly moment by moment (over millisecond to nanosecond timescales). ...