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Floating in salt water actively alters brain waves
Myths & mysteries

Floating in salt water actively alters brain waves

A dark, quiet saltwater tank cuts down on sensory input while letting you float. Some people describe the experience as spiritual ascension, but it doesn’t…

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Why returned clothes may never reach a store rack
Economy

Why returned clothes may never reach a store rack

A return can cost more to inspect and process than a fresh garment costs to make. If the numbers work out that way, a retailer may shred or dump perfectly…

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Passing straight through solid walls like a ghost
Transport

Passing straight through solid walls like a ghost

A quantum particle is described by a wave, and that wave does not stop neatly at a wall. If it extends beyond the barrier, the particle shows up there—an…

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Curling into a sphere to splash maximum water
Transport

Curling into a sphere to splash maximum water

Tuck into a ball and you hit the water with a broad surface, shoving more of it up and outward. A streamlined dive slips in quietly; the cannonball arrives…

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Rolling across the pool in a sealed sphere
Transport

Rolling across the pool in a sealed sphere

The sealed sphere traps air, giving it enough buoyancy to float, while a person inside shifts their weight to roll it across the pool. It’s a hamster wheel…

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Roswell UFO Festival celebrates an alleged alien crash
Travel

Roswell UFO Festival celebrates an alleged alien crash

Each summer, thousands of festivalgoers celebrate the extraterrestrial story, many in tinfoil hats.

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Extracorporeal membrane oxygenation bypasses the lungs
Technology

Extracorporeal membrane oxygenation bypasses the lungs

ECMO circulates blood outside the body, passing it across an artificial membrane that adds oxygen and removes carbon dioxide before returning it. It can…

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Spinning around a vertical pole purely for momentum
Transport

Spinning around a vertical pole purely for momentum

The pole gives a spinning person something solid to push against: push one way, and the pole pushes back, starting the turn. Once moving, the body’s momentum…

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Some parks launch people from trebuchets
Transport

Some parks launch people from trebuchets

The counterweight falls, the trebuchet arm swings, and a sling flings its passenger through the air. The harness keeps the rider attached to the ride’s answer…

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Total ego loss chemically suppresses specific brain networks
Myths & mysteries

Total ego loss chemically suppresses specific brain networks

Ego dissolution has been linked to reduced activity in the brain's default mode network, which is associated with self-referential thought and…

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The shopping cart's cleverest space saver was another shopping cart
Economy

The shopping cart's cleverest space saver was another shopping cart

Orla Watson's 1946 telescoping design let carts nest inside one another instead of being folded or taken apart for storage. That made a long line of carts…

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Men once stuffed codpieces with sawdust
History

Men once stuffed codpieces with sawdust

Men packed codpieces with sawdust and rags to exaggerate their size, turning a display of supposed virility into a rather bulky fashion statement.

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Las Vegas gives its retired neon signs a museum
Travel

Las Vegas gives its retired neon signs a museum

The outdoor collection preserves giant signs from old casinos, including their oversized bulbs, rather than sending them straight to scrap.

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Teleporting through fireplaces with green powder
Transport

Teleporting through fireplaces with green powder

Green powder turns a fireplace into an entrance to a connected network of hearths: toss it into the flames, name the destination, and step into the fire. The…

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James Webb needs a five-layer sunshield
Science

James Webb needs a five-layer sunshield

The sunshield works less like one thick wall and more like five reflective screens with space between them. Each layer bounces away some sunlight, and the…

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Operation's patient has a name: Cavity Sam
Culture & entertainment

Operation's patient has a name: Cavity Sam

The patient is Cavity Sam, whose ailments include a broken heart and butterflies in his stomach—and he gets no anesthesia.

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Why your sheets may not fit abroad
Economy

Why your sheets may not fit abroad

A mattress sold as a Queen or King may be a few inches different depending on the region. Manufacturers follow local size conventions, so sheets that fit at…

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Swinging through the jungle on dangling ropes
Transport

Swinging through the jungle on dangling ropes

The rope turns a drop into forward motion. Swing down, build speed, then let go toward the next foothold—an elegant commute, provided your hands remember they…

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