Spring-loaded plungers use a spring and a plunger (or ball tip) to exert a precise and repeatable force. They are a better option than having engineers cobble together an assembly that uses a simple, ...

We help a reader track down an unusual, decades-old wineglass. By Tom Delavan The artist Sourabh Gupta gives a step-by-step guide to crafting Icelandic poppies out of crepe paper. By Jinnie Lee A ...

I've evaluated outdoor and fitness equipment for over five years. Dedicated work boots may not seem all that crucial until you’ve spent hours in a stiff, cramped, uncomfortable pair. Whether you’re on ...

July 12, 2026 A new study suggests spacecraft exhaust could quickly contaminate the moon's most scientifically valuable regions, potentially masking ancient clues about how life began on Earth.