How Counterflow Heat Exchangers Work — And Why They Seem to Break Physics
Cold water ends up hotter than the hot water. Sounds impossible, but counterflow heat exchangers do it every day — in your boiler, your kidneys, and a duck's legs.
Topic
science
2 articles
The Deepest Holes on Earth: What Scientists Found Miles Underground
Scientists drilled 12 km into the Earth and were shocked by what they found — no basalt, ancient microbes, and temperatures way off the charts.