High-speed onion mist: Cutting technique and blade sharpness affect droplet spray, study shows

A new discovery about how cutting onions ejects pungent aerosols up to two-thirds of a meter into the air has led to practical advice for reducing the spray: Cut onions slowly with a sharpened blade ...

Cracking the secret of Kanazawa gold leaf's brilliant texture

Kanazawa gold leaf is a traditional Japanese material known for its remarkable thinness, just 100 nanometers—about 1/1,000 the diameter of a human hair—and its brilliant shine.