Decades-old problem in classical geometry solved: First compact pair of bonnets found

For over 150 years, a rule of thumb dating back to the French mathematician Pierre Ossian Bonnet has been accepted in surface theory: If the metric and mean curvature of a compact surface are known at ...
Interesting Engineering on MSN

Scientists overturn 150-year-old geometry rule using twin donut-like torus surfaces

Researchers in the US and Germany have solved a mathematical problem that has puzzled ...

Inside the light: How invisible electric fields drive device luminescence

Fleeting electron-hole pairs are giving scientists a new window into optimizing light-emitting devices (LEDs). Using quantum ...
Hackaday

Replicating A Nuclear Event Detector For Fun And Probably Not Profit

Last year, we brought you a story about the BhangmeterV2, an internet-of-things nuclear war monitor. With a cold-war-era ...