This summer, we saw the WHY (What Hackers Yearn) event happen in Netherlands, of course, with a badge to match. Many badges these days embrace the QWERTY computer aesthetic, which I’m personally ...

Making battery packs is a common pursuit in our community, involving spot-welding nickel strips to the terminals on individual cells. Many a pack has been made in this way, using reclaimed 18650 cells ...

Lithium-ion (li-ion) batteries are everywhere. They are in personal electronics, power tools, micro-mobility devices, electric vehicles (EVs) and energy storage systems (ESS). Researchers around the ...