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Hybrid design could make nuclear fusion reactors more efficient

Two types of fusion reactor called tokamaks and stellarators both have drawbacks – but a new design combining parts from both could offer the best of both worlds. (a day ago)

Fusion record paves way for commercial reactors

Fusion record paves way for commercial reactors

a month ago

The Princeton Plasma Physics Laboratory (PPPL) hits a new fusion reactor endurance record that could open the door to practical fusion power on a commercial scale. Using a tungsten lining, the WEST reactor held a reaction for six minutes.

Plasma fusion: Adding just enough fuel to the fire

Plasma fusion: Adding just enough fuel to the fire

3 months ago

How much fuel can we add to the fire while still maintaining control? Metaphorically speaking, that's the question one team at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) has been asking themselves lately.

Fusion drive space engine ready for flight

Fusion drive space engine ready for flight

3 months ago

Rocket science got a bit more science-fiction-like as RocketStar announces it has successfully demonstrated a new ion drive that incorporates nuclear fusion. It's not the sort of fusion that powers the Sun, but it does improve thrust by 50%.

There's hope yet: Clean energy advances that inspired us in 2023

There's hope yet: Clean energy advances that inspired us in 2023

6 months ago

The world needs gargantuan amounts of clean energy moving forward, making this an area of colossal and growing opportunity for disruptive innovations. Here are some of the fascinating energy ideas and technologies that made us most hopeful in 2023.

New discovery points the way to more compact fusion power plants

New discovery points the way to more compact fusion power plants

a year ago

A magnetic cage keeps the more than 100 million degree Celsius hot plasmas in nuclear fusion devices at a distance from the vessel wall so that they do not melt. This could make it possible to build smaller and cheaper fusion reactors for energy production.

Simplified calculations reproduce complex plasma flows

Simplified calculations reproduce complex plasma flows

a year ago

Accurate and fast calculation of heat flow (heat transport) due to fluctuations and turbulence in plasmas is an important issue in elucidating the physical mechanisms of fusion reactors and in predicting and controlling their performance.

Resistance in tokamak vessel walls can cause disruptive energy loss

Resistance in tokamak vessel walls can cause disruptive energy loss

a year ago

Under certain conditions, the fusion devices known as tokamaks can suffer a sudden loss of energy to the vessel walls. Researchers call this energy loss process a disruption. One cause is a magnetohydrodynamic (i.e., conducting plasma in a magnetic field) instability, or mode, coupling to the vacuum vessel.