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Physics of badminton's new killer spin serve

news.ycombinator.com Unknown 2025-10-27 15:11:00

Serious badminton players are constantly exploring different techniques to give them an edge over opponents. One of the latest innovations is the spin serve, a devastatingly effective method in which a player adds a pre-spin just before the racket contacts the shuttlecock (aka the birdie). It's so effective—some have called it "impossible to return"—that the Badminton World Federation (BWF) banned the spin serve in 2023, at least until after the 2024 Paralympic Games in Paris. The sanction wasn

Topics: birdie feathers serve shuttlecock spin
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Physics of badminton’s new killer spin serve

arstechnica.com Unknown 2025-11-09 18:44:31

Serious badminton players are constantly exploring different techniques to give them an edge over opponents. One of the latest innovations is the spin serve, a devastatingly effective method in which a player adds a pre-spin just before the racket contacts the shuttlecock (aka the birdie). It's so effective—some have called it "impossible to return"—that the Badminton World Federation (BWF) banned the spin serve in 2023, at least until after the 2024 Paralympic Games in Paris. The sanction wasn

Topics: birdie feathers serve shuttlecock spin
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Scientists transform peacock feathers into tiny biological laser beams

techspot.com Skye Jacobs 2025-12-10 14:24:00

TL;DR: Scientists have long been fascinated by the vibrant colors and intricate structures found in the feathers of birds like the Indian Peafowl (commonly known as the peacock). A new study has shed light on a surprising property of these iconic tail feathers: their ability to act as tiny laser resonators when infused with a common fluorescent dye. The research, conducted by researchers from several US universities and published in Nature, set out to explore the behavior of peacock feather bar

Topics: dye emission feathers laser peacock
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The 9 Best Pillows (2025) Tested and Reviewed by WIRED

wired.com Nena Farrell 2026-03-04 18:30:00

You might think a pillow is a pillow. It just has to be soft and fit under your head, right? Your head, neck, and back disagree. Getting a good night’s sleep can depend heavily on your pillow, so when choosing one, here are a few key questions to ask. What kind of sleeper are you? Do you sleep on your back, side, or stomach? Do you stay relatively still, or do you toss and turn a lot? Do you usually have one pillow under your head, or do you cocoon yourself into a pillow chrysalis? This is prob

Topics: feathers head manufacturers pillow sleep
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