Fusion energy: NIF experiments show initial gain in fusion fuel

Ignition – the process of releasing fusion energy equal to or greater than the amount of energy used to confine the fuel – has long been considered the "holy grail" of inertial confinement fusion science. A key step along ...

Arafat may have been poisoned, but what is polonium?

A Swiss forensic report of the exhumed remains of ex-Palestinian leader Yasser Arafat today suggests polonium poisoning may have been the cause of death – but what is polonium, and why is it so deadly?

Metamorphosis of moon's water ice explained

Using data gathered by NASA's Lunar Reconnaissance Orbiter (LRO) mission, scientists believe they have solved a mystery from one of the solar system's coldest regions—a permanently shadowed crater on the moon. They have ...

Mars rover Opportunity trekking toward more layers

(Phys.org) —Approaching its 10th anniversary of leaving Earth, NASA's Mars Exploration Rover Opportunity is on the move again, trekking to a new study area still many weeks away.

Foundations of carbon-based life leave little room for error

Life as we know it is based upon the elements of carbon and oxygen. Now a team of physicists, including one from North Carolina State University, is looking at the conditions necessary to the formation of those two elements ...

Curiosity rover explores 'Yellowknife Bay'

(Phys.org)—The NASA Mars rover Curiosity this week is driving within a shallow depression called "Yellowknife Bay," providing information to help researchers choose a rock to drill.

Researchers reveal structure of carbon's 'Hoyle state'

(Phys.org)—A North Carolina State University researcher has taken a "snapshot" of the way particles combine to form carbon-12, the element that makes all life on Earth possible. And the picture looks like a bent arm.

Curiosity rover preparing for Thanksgiving activities

(Phys.org)—NASA's Mars rover Curiosity completed a touch-and-go inspection of one rock on Sunday, Nov. 18, then pivoted and, on the same day, drove toward a Thanksgiving overlook location.

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