Finnish startup Donut Lab has just released the third independent test of its solid-state ...

The Finnish firm claims it has beaten the world’s largest carmakers and battery giants to commercializing solid-state cells ...

Add Yahoo as a preferred source to see more of our stories on Google. Union Pacific hybrid locomotive mother unit (left) and slug. (Photo: Union Pacific) One year after the rollout, Union Pacific is ...

At first glance, an outdoor watch might feel like a luxury. After all, your phone can tell the time and show a map, right? But in the hills, that’s rarely enough. Phones run out of battery, break ...

The Apple Watch is held by many as the gold standard of wearable technology, but if you want a better battery, consider ...