PPPL launches STELLAR-AI platform to accelerate fusion energy research
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Updates every hour. Last Updated: 23-Jan-2026 21:11 ET (24-Jan-2026 02:11 GMT/UTC)
Physicists have used a new optical centrifuge to control the rotation of molecules suspended in liquid helium nano-droplets, bringing them a step closer to demystifying the behaviour of exotic, frictionless superfluids. It’s the first demonstration of controlled spinning inside a superfluid—researchers can now directly set the direction and frequency of the molecule’s rotation, which is vital in studying how molecules interact with the quantum environment at various rotational frequencies.
Scientists have created 3D printed surfaces featuring intricate textures that can be used to bounce unwanted gas particles away from quantum sensors, allowing useful particles like atoms to be delivered more efficiently, which could help improve measurement accuracy.