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The technology could support advances in high-speed communication systems, sensing tools, biological materials, and medical technologies.
Matter and antimatter Artist’s impression of positronium being instantaneously cooled in a vacuum by a series of laser pulses with rapidly varying wavelengths. (Courtesy: 2024 Yoshioka et al./CC-BY-ND ...
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StarTalk: Is absolute zero possible?

An explanation of absolute zero and why quantum physics places fundamental limits on how close we can get to it, based on ...
The absolute lowest temperature possible is -273.15 degrees Celsius. It is never possible to cool any object exactly to this temperature – one can only approach absolute zero. This is the third law of ...
Come join Paul Beale, CU Professor of Physics and award winning teacher, to learn about heat and temperature, from billions of degrees during the big bang all the way down to absolute zero! We will ...