Samsung Electronics union announces first-ever strike

Parents underestimate the privacy risks kids face in virtual reality

Engineering students invent a quieter leaf blower

Making batteries takes lots of lithium: Almost half of it could come from Pennsylvania wastewater

Reddit gives OpenAI access to its wealth of posts

Renewable grid: Recovering electricity from heat storage hits 44% efficiency

New method makes hydrogen from solar power and agricultural waste

A promising 3-terminal diode for wireless comm. and optically driven computing

Iron could be key to less expensive greener lithium-ion batteries

Green cities could remove CO₂ from the atmosphere