A flight attendant has warned why aircraft passengers should not clap immediately after the plane lands — as they might be celebrating too soon. An Argentinian airline crew member and TikTok ...

The “Helmholtz resonator” concept explains the frequencies of sound produced by clapping the hands together in different configurations.

“I had a unique angle and was able to put Speaker Pelosi right over the president’s shoulder,” he tells PEOPLE. “It was a clap that was gestured right toward him [Trump],” Mills recalls.