As many restaurants, salons and schools have reopened across the country, face masks have become the norm and many brands have created their own options. Since the Centers for Disease Control and ...

In the omicron era, you need your face mask to work harder to keep you from getting or spreading COVID-19. Here’s a guide to choosing the best type, plus tips on how to get maximum protection from ...

Democratic Gov. Gavin Newsom on Saturday signed a bill banning law enforcement from wearing face coverings while conducting official business in California. The bill, which was presented to Newsom on ...

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Using a direct-write laser system, I created micro-scale patterns in photoresist—no masks, no cleanroom. This is how maskless lithography works for prototyping and research. Law enforcement has ...