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News
Why Doesn't Adding More Lanes Fix Traffic? The Strange Economics Of Induced Demand
1+ day, 9+ hour ago (1491+ words) Picture the worst traffic jam you have ever been stuck in. Eight lanes of brake lights, and nothing moving. Somewhere in that gridlock, almost everyone is thinking the same thought. If they just built one more lane, this would all…...
Ice Vs Ice Water: Which One Actually Chills Your Drink Faster?
4+ day, 9+ hour ago (1122+ words) Picture a backyard barbecue on a hot afternoon. Two coolers sit by the grill. One holds a heap of loose ice cubes straight from the freezer. The other holds ice cubes swimming in cold water, a slushy bath. A friend…...
Why Do Plastic Containers Keep Smells And Stains But Glass Doesn't?
6+ day, 7+ hour ago (877+ words) Picture last night's leftover curry. You spooned it into a plastic container, and it lived in the fridge overnight. This morning you emptied it, ran it through the dishwasher, and pulled it out clean. It looks perfect. It also still…...
Why Doesn't A Battery-Boosted Electric Kettle Exist?
1+ week, 1+ day ago (1043+ words) Picture landing in London, jet-lagged, desperate for tea. You fill the kettle in the flat. You flip the switch. Before you have found the mugs, the thing is roaring, rattling its lid, and clicking itself off. Tea in under two…...
If There's Water Right Under The City, Why Don't Skyscrapers Sink?
1+ week, 3+ day ago (1247+ words) Stand at the base of a skyscraper and look straight up. Above you sit tens of thousands of tons of steel, glass, and concrete. Below you, if you could dig down 30 meters (100 feet) or so under most cities, you would…...
Can Fire Conduct Electricity? Why Flames Carry Current Like A Wire
1+ week, 5+ day ago (1850+ words) A tree comes down on a power line. It catches fire, and the flames start to pulse. Not flicker, the way flames always do. Pulse, in time with something, brightening and dimming on a beat. This one was filmed at…...
What Happened To The Acid Rain Crisis Of The 1980s?
2+ week, 5+ day ago (1848+ words) If you were alive in the 1980s, you could not escape acid rain. It was on the evening news and in school textbooks. It was in cartoons. Statues were dissolving. Forests were dying. Lakes in the Adirondacks were going clear and…...
How Did Earth Run Its Own Nuclear Reactors 2 Billion Years Ago? (The Oklo Reactors)
2+ week, 5+ day ago (1795+ words) In May 1972, a technician at a uranium plant in Pierrelatte, France, ran a routine check on a batch of ore. The plant did this all day long. Uranium arrives, you measure it, you write down the number, you move on....
Why Do Construction Workers Wear Dark Hoodies In 100 °F Heat?
2+ week, 5+ day ago (1871+ words) It is 38 °C (100 °F). The asphalt is soft. Heat is coming off the road in visible ripples, and there is not a scrap of shade for half a mile. And the guy running the plate compactor is wearing a black…...
What Was Inside The New Jersey Meteorite That Crashed Through A Bedroom Ceiling?
2+ week, 6+ day ago (1733+ words) Picture a summer evening in New Jersey. It is July 16, 2024. A fireball crosses the sky over New York City, passing just south of the Statue of Liberty. A boom rolls across the city. Sixty people phone it in to the…...