A Tokyo based team has invented a pair of glasses that disrupts digital cameras and prevents facial recognition. Want to hide your identity and personal information? We'll tell you how in today's episode.
While umbrellas have been around for centuries, the modern steel design we're all familiar with was invented by Samuel Fox in 1852. Or was it? Learn about the controversy behind this simple device that keeps us dry.
Before Ernst Alexanderson designed the high-frequency alternators that transmitted radio broadcasts in a continuous wave, radio was not usable over long distances. Tune in and learn more in this video.