Why do fans sometimes look like they're spinning backwards?

By Matilda Handsley-Davis
April 23 2022 - 9:00pm
It's an illusion that can affect fans, wheels and even propellers. Picture: Shutterstock.

Why do blades on fans, aeroplane propellers and car radiator fans look like they are spinning backwards at a certain speed? Asked by Vincenzo.

Advertisement

Ad

Advertisement

Ad

Get the latest Canberra news in your inbox

Sign up for our newsletter to stay up to date.

We care about the protection of your data. Read our Privacy Policy.