Tonga tsunami alert as waves crash into homes following ...
2 days ago — Dramatic
footage showed waves rolling through coastal Tongan homes as a tsunami
warning was issued on Saturday afternoon, prompting residents of ...
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.