Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in school, where we learn about its use in the context of a circle. More ...

Send a note to Doug Wintemute, Kara Coleman Fields and our other editors. We read every email. By submitting this form, you agree to allow us to collect, store, and potentially publish your provided ...

What if you could carry the entirety of Wikipedia in your pocket, ready to access without a single bar of Wi-Fi or a hint of cellular signal? Picture a remote classroom in a rural village, a disaster ...

Pins Mechanical Co. is a social playground with a wide variety of games. The 11,000-square-foot venue opening near Day Air Ballpark features eight lanes of duckpin bowling, a two-person soccer game, ...

Walnut Pi 2B is a single board computer (SBC) powered by an Allwinner T527 octa-core Cortex-A55 SoC with a built-in 2 TOPS AI accelerator that closely follows the Raspberry Pi 5 design for ...

The task of ensuring that every single pad in a rectangular matrix comes into contact with its opposite number precisely, without any dirt or oxidation, during the manufacturing process was not ...

Getting the hang of through-hole soldering is tricky for those of us tinkering at home with our irons, spools, flux, and, sometimes, braids. It’s almost reassuring, then, to learn that through-hole ...

Yesterday we wrote about using quantum sensors for brain-computer interfaces (BCI) and other biomedical applications. But that’s the future, and if you want to experiment with brain-computer interface ...

The Institute of Museum and Library Services will be dismantled, and federal funding for libraries will cease, preventing loans across multiple libraries. Most rural and small city libraries depend on ...