Putting the charge back into face-mask filters
Peter Tsai, the inventor of the electrostatically charged filter used in face masks, has emerged from retirement to help boost filter production and reuse. Here, he’s pictured at the Oak Ridge National Laboratory in Tennessee, where he has loaned his own equipment to the filter-production line. “Even though I’m mostly working for free, I feel a responsibility to help out during the pandemic,” says Tsai. “Otherwise, I would regret it for the rest of my life.” (Nature | 3 min read)
German court rules Mercedes knew about cheat devices © 2024 Deutsche Welle
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*German court rules Mercedes knew about cheat devices* 2 hours ago2 hours
ago A court in Germany has ruled that the car giant Mercedes Benz knowingly
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