2013 Invention Awards: Ballast Bulb

A household lamp powered by a bag of rocks.

By Amanda Tust
May 6, 2013

Latest

How computers beat us at our own games
How to host a virtual party that’s absolutely lit
This worst-case climate scenario might be the most realistic
The onions in your kitchen could give you food poisoning
Why the Beirut blast created a mushroom cloud
Young trees have special adaptations that could save the Amazon
Gene-edited cows could make meat more sustainable. But would people eat it?
A second US state just passed half a million COVID-19 cases
How Disney fools your brain to make lines feel magically short