Physicists can use bright, hot lasers to slow atoms down so much that they measure -459 degrees Fahrenheit.
June 22, 2020 • ~6 min
Tags: physics quantum-mechanics laser light photons molecules curious-kids curious-kids-us temperature cold atoms absolute-zero warmblood sloths
'Normal' body temperature varies from person to person by age, time of day, where it's measured, and even menstrual cycle. External conditions also influence your thermometer reading.
June 16, 2020 • ~9 min
Tags: coronavirus metabolism inflammation sars-cov-2 fever infection immune-response temperature body-temperature warmblood warm-bloodedness
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