Ultracooled
"Ultracooled" in a Sentence (1 examples)
In 1999, Dr. Hau headed a team of scientists that slowed light, which travels a brisk 186,282 miles a second when unimpeded, to a leisurely 38 miles an hour by shining it into an exotic, ultracooled cloud of sodium atoms.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.