ScienceABC - Page 3 » Science Explained In Simple Words

Looking down a deep circular mine shaft from the rim, timber and steel walkways at the edge and the shaft receding into darkness

Why Do Small Animals Survive Falls That Kill Big Ones?

July 25, 2026 Physics

A cast iron pan on a cooktop where the burner has been replaced by a frost-covered heat pump unit, illustrating why heat pump stoves do not exist.

Why Are There No Heat Pump Stoves?

July 25, 2026 Engineering

A stylized golden, lumpy "potato Earth" gravity render floating against black space, with faint continent outlines.

Why Is Earth's Gravity Lumpy? What The "Potato Earth" Map Really Shows

July 24, 2026 Physics

Split image contrasting a car engine's cooling system with a glowing-hot machine gun barrel

Why Don't Car Engines Melt, But Machine Gun Barrels Do?

July 24, 2026 Engineering

A row of chimpanzees seated at old computer keyboards in a cold blue server room full of hard drives, each holding a red horseshoe magnet, lit like a film still.

Infinite Monkey Theorem: Could Monkeys With Magnets Ever Produce Windows?

July 23, 2026 Physics

A refrigerator standing open in a dim kitchen during a power outage, lit only by its interior bulb and a nearby candle, a hand resting on the open door

How Long Does A Fridge Stay Cold Without Power?

July 22, 2026 Engineering

A glass vial of glowing blue liquid on a steel lab bench, with distillation glassware in the dark background.

Why Is The Last Few Percent Of Chemical Purity The Hardest To Achieve?

July 21, 2026 Chemistry

A hand pulling a stainless-steel microwave door shut in a dim kitchen late at night, the clock reading past 1 a.m.

Why Does Opening And Closing A Microwave Door Have To Be So Loud?

July 21, 2026 Engineering

A beam of starlight crossing deep space from a spiral galaxy to the James Webb Space Telescope, its waves stretching from tight blue crests to long red ones along the way

Where Does Light's Energy Go When It Is Cosmologically Redshifted?

July 20, 2026 Physics

A pool of liquid metallic mercury with a bright mirror-like surface, beaded into rounded droplets

Why Is Mercury Liquid At Room Temperature?

July 20, 2026 Chemistry

Close-up of a car's dashboard air conditioning vents, shot in cool blue tones with shallow depth of field

Why Does Your Car's AC Make The Engine Work Harder?

July 19, 2026 Engineering

A sectioned steel bar standing on end on a workbench, showing a hollow circular bore running down its center and the thickness of its wall, with steel swarf scattered around the base.

Why Are Hollow Tubes Almost As Strong As Solid Rods?

July 19, 2026 Engineering

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