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Tom Hartsfield
Big Think Contributor
Tom Hartsfield is a PhD physicist. He lives in Los Alamos, New Mexico.
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The war in Ukraine is unlikely to trigger a catastrophic nuclear meltdown. Physics and smart engineering are the reasons why.
Quantum mechanics forces us to toss out the old, reliable ways in which we make sense of our everyday reality.
NASA was dangerously cavalier about the dangers of the shuttle launches.
For decades people have arranged to freeze their bodies after death, dreaming of resurrection by advanced future medicine. Many met a fate far grislier than death.
More than 300 years ago, a Spanish ship laden with unspeakable treasure sank after a battle. Because of greed, the treasure remains on the sea floor.
Before gunpowder was introduced to the West, medieval Arabs devised grenades using crockery.