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BessLineberger · Extra super member Geregistreerd op: 18 Nov 2020 Berichten: 65

Why do your glasses fog up when you’re wearing a face mask?
British optometrists Margrain and Owen described the mechanism that causes glasses to mist up. Glass or plastic lenses will usually attain a temperature that’s close to that of their environment. When you are in a cool place and exhale into your mask, the mask blocks and re-directs some of your breath up toward the top edge of the mask and under your glasses. the warm moist air of your breath reaches the lens surface. When the warm breath hits the cool lens, the water in the breath condenses causing your lenses to fog up.Philadelphia Eagles

Play-callers now must wear a mask even if they have a face shield. Postgame interactions between players and staff will be limited. Also, players and team personnel must wear masks and may briefly greet opponents after games.

While the coverings allow for breathability, they are for personal use only and are not intended for a medical purpose.San Francisco 49ers

Roethlisberger targeted rookie Anthony McFarland on a wheel route, but the running back, who has just five catches, couldn't haul it in on a double move, and the Steelers turned over the ball on downs for the second time.

Cover up while you represent your favorite team in this MLB Gameday Collection face coverings!Tampa Bay Buccaneers

Murray said he doesn't feel any pressure as the Cardinals' margin for error shrinks weekly with four games left.New York Giants