Why We’re Adding One Second to Today’s Time

If today feels like it’s going by slower than usual, it’s because it is. A leap second will be added to today’s time in order to keep the Earth’s rotation in sync with the atomic clock. As NASA explains it, scientists once analyzed radio waves sent from far off quasars to determine that our planet’s rotation is gradually slowing down due to gravitational forces from …

Casio’s Surprising History of Smartwatches

When the Apple watch was released just two months ago, thousands lined up to obtain its futuristic functionalities, including music-playing and heart-rate-tracking. But what many don’t know is that lots of the buzzed-about features have been available for decades—most notably in the design-forward watches of Casio. As a nod to its rich and innovative design history, the Japanese electronics company is currently displaying its most …

Color-Changing Condoms That Detect STIs

Three young teenagers from the Isaac Newton Academy in Ilford, Essex have created condoms that change color after coming into contact with a sexually transmitted infection. Daanyaal Ali, Muaz Nawaz and Chirag Shah developed the clever contraceptives—dubbed “S.T.EYE”—to make “detecting harmful STIs safer than ever before, so that people can take immediate action in the privacy of their own homes.” TeenTech has awarded the young …