Researchers at Princeton University in Princeton, New Jersey and their colleagues at the Borexino Project have positive detections of geoneutrinos. Antineutrinos generated by radioactive decay within the Earth’s crust and mantle, geoneutrinos are extremely rare and very difficult to detect. ...

Researchers at the University of Texas at Austin have built a “coilgun” that works in reverse, stopping atom-sized and molecule-sized ‘bullets’ in mid-flight. Coilguns have been a standard feature in science fiction books and movies, and decades of military research ...