chetan jha

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Here's Why the New Supernova is so Important to Scientists

The supernova discovered this week is far more than an impressive lightshow—it's an opportunity to study a dying star up close and correct our maps of distant galaxies.<p><b>Twelve million light years away, in the heart</b> of the M82 galaxy, a binary star system detonated. One white dwarf star had gradually …

Robots May Replace One-Fourth Of U.S. Combat Soldiers By 2030, Says General

Be all the cyberman you can be.<p>By the middle of this century, U.S. Army soldiers may well be fighting alongside robotic squadmates. General Robert Cone revealed the news at an Army Aviation symposium last week, noting that the Army is considering reducing the size of a Brigade Combat Team from …

Military

Evolution vs Natural Selection

Herschel Telescope Detects Water on Dwarf Planet Ceres

Scientists using the Herschel space observatory have detected water on the dwarf planet Ceres, which is located in the main asteroid belt, between …

Lasers To Join Israel's Missile Defense System

Iron Dome, meet Iron Beam.<p>Intercepting and destroying projectiles in midair is costly business. Rockets, like the Qassams and Katyushas fired into Israel by Hezbollah and Hamas, cost around $1,000 each. The counter-missiles that the Iron Dome, Israel's rocket defense system, uses to destroy …

Archaeologists find remains of previously unknown pharaoh in Egypt

Discovery of 3,600-year-old body of King Senebkay confirms existence of forgotten dynasty<p>The 3,600-year-old remains of a forgotten pharaoh unearthed this month in southern Egypt may be the first of several significant discoveries in a previously ignored burial ground that rivals the Valley of the …

This Dwarf Planet Might Have More Fresh Water Than All Of Earth

And it's actually (relatively) nearby<p>This is poor, unfortunate Ceres. Discovered in 1801, it was at first called a planet, then soon classified as an asteroid, and recently as a dwarf planet, not quite qualifying for real planet status despite residing in the solar system's asteroid belt. But now …