In Minneapolis, videos of the Alex Pretti killing undermined the federal government’s account. But an A.I. video of Brad Pitt shows the dangers ahead.
Up to now, it has only been possible to deduce indirectly why high-temperature batteries lose efficiency and durability while in use. For the first time, a team from the Helmholtz-Zentrum ...
In the 1930s, the Switzer brothers stumbled onto a way to mimic fluorescence. That led to Day-Glo, which has been making the world a brighter place ever since ...