At last we have a definitive answer to the question of whether masks work.
That answer is “maybe.”
Ars: Do masks work? It’s a question of physics, biology, and behavior
Mitch Wagner
Aspiring Zamboni operator.
Aspiring Zamboni operator.
At last we have a definitive answer to the question of whether masks work.
That answer is “maybe.”
Ars: Do masks work? It’s a question of physics, biology, and behavior