Stories by perihelions

Passive radiative cooling below ambient air temperature under direct sunlight [pdf]

What Are the Risks of Skiplagging?

Euclid’s two instruments have captured their first test images

Why Hurricane Lee is alarming even if it doesn’t make landfall

KarTrak

Hoàng Xuân Sính's Thesis: Categorifying Group Theory

It's Hoàng Xuân Sính’s 90th birthday today

Appeals court rules White House likely overstepped 1st Amendment on social media

Elon Musk threatens to sue Anti-Defamation League over lost X revenue

Scientists finally know why Germany’s wild boar are surprisingly radioactive

Hawaii wildfire offered insights into wireless alert system relies on cellphones

New phone sparks worry China has found a way around U.S. tech limits

A federal judge strikes down a Texas law requiring age verification to view porn

Flicker Noises in Astronomy And Elsewhere (1978) [pdf]

France to spend €200M on destroying excess wine as demand falls

Fears UK’s cashless society will leave more than just the vulnerable behind

How the Offspring’s Lead Singer Went from Punk to PhD (2022)

Newly discovered black hole 'speed limit' hints at new laws of physics

Monster hunters descend on Scotland for biggest Loch Ness search in 50 years

A win for bad reviews: Luxury homeowner drops bid to unmask Airbnb guests

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