Tonga: Tsunami advisories lifted in US after waves hit ... - CNN
9 hours ago — An
underwater volcano in the South Pacific erupted violently on Saturday,
causing tsunamis to hit Hawaii, Japan, and Tonga's largest island, ...
In 1797, English scientist Henry Cavendish measured the strength of gravity with a contraption made of lead spheres, wooden rods and wire. In the 21st century, scientists are doing something very similar with rather more sophisticated tools: atoms.