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Tuesday, February 7, 2023
Tags Surgical mask

Tag: surgical mask

Should you wear a mask on a plane, bus or train...

Daniel Merino, The Conversation On April 18, 2022, a judge in Florida struck down the federal mandate requiring passengers...

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How 5G puts airplanes at risk – an electrical engineer explains

Prasenjit Mitra, Penn State New high-speed cellphone services have raised concerns of interference with aircraft operations, particularly as aircraft...