Japanese experimental nuclear fusion reactor inaugurated

The world's biggest experimental nuclear fusion reactor in operation was inaugurated in Japan on Friday, a technology in its infancy but billed by some as the answer to humanity's future energy needs.

A precise X-ray thermometer for warm dense matter

Warm dense matter (WDM) measures thousands of degrees in temperature and is under the pressure of thousands of Earth's atmospheres. Found in many places throughout the universe, it is expected to have beneficial applications ...

Fusion breakthrough is a milestone for climate, clean energy

Scientists announced Tuesday that they have for the first time produced more energy in a fusion reaction than was used to ignite it—a major breakthrough in the decades-long quest to harness the process that powers the sun.

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