Category Archives: Science

A 360 J laser pulse transmutes an isotope with a half-life of 15.7 million years into a lighter isotope with a half-life of just 25 minutes.

That was about 7 years ago.

Classical Roots of the Scientific Revolution.

More

Northern Spring begins on Saturday, March 20th. To celebrate the occasion, Nature is putting on an equinox sky show.

The Moon and the Pleiades are having a close encounter of rare beauty.

The Pleiades are a cluster of young stars some 440 light years from Earth. They formed from a collapsing cloud of interstellar gas about 100 million years ago. By the standards of astronomy, that’s really young. The Earth under your feet is almost 50 times older. Dinosaurs were roaming our planet long before the Pleiades popped into being.

Researchers have created a “quantum state” in the largest object yet.

All known bodies in our solar system larger than 200 miles in diameter.

Solar System Basics

Build an Atom.

The Biggest Bomb in the Cosmos.

Good answers to questions that have been discussed often in sci.physics and related usenet newsgroups.

Stars Orbiting the Milky Way’s Super Massive Black Hole.

Black Holes are Dangerous.