Are we screwing ourselves by transmitting radio signals into space?:
For nearly a hundred years, Earth has sent radio signals into space. If anyone nearby is listening, they probably know we’re here. In light of this, a new paper assesses the potential danger presented by such signals, concluding that the benefits outweigh the risks. But how can we really know? Read more...
Oxford has a bell that's been ringing for 173 years:
A bell has been ringing at Oxford for nearly two hundred years. Because no one is willing to stop the bell, and the demonstration that it represents, no one knows the exact mechanism that's making it ring. Learn of the mysteries of the Oxford Electric Bell. Read more...