Alexander Ellis personal blog

How far behind a plane is its noise?

by Alex Ellis alexanderell.is 6 min read

If you’re ever near a relatively low flying airplane, you may have noticed that it sounds like it’s in a different spot in the sky than where it actually is. You can hear the loud engines, and your ears tell you it should be in one place, but your eyes tell you it’s clearly well ahead of its noise. It’s a funny visual…

Points

108

HN comments

70

Submissions

1

Cited by

0 commenters

Science & Space2022

Related posts from the same era

Mechanical Watch

Bartosz Ciechanowski20224,298 points704 commentscited by 59 details

Sound

Bartosz Ciechanowski20223,053 points238 commentscited by 8 details

Bicycle

Bartosz Ciechanowski20233,014 points399 commentscited by 14 details

GPS

Bartosz Ciechanowski20222,900 points320 commentscited by 32 details

Gordon Moore has died

GGordon and Betty Moore Foundation20232,594 points234 comments details

Internal Combustion Engine

Bartosz Ciechanowski20212,333 points498 commentscited by 16 details