Hey Shaq? Here’s how you can figure out the Earth is round for yourself
Ethan Siegel

It’s not quite so simple, there are special conditions when the visibility changes:


Some radio waves, depending on the frequency, are also typically limited by the curvature of the Earth, but the local weather conditions change that from time to time. Radio amateurs have a lot of fun using these conditions.

I’ve made myself some unexpected receptions just with the home TV antenna, long ago, as the TV was all analog.

One clap, two clap, three clap, forty?

By clapping more or less, you can signal to us which stories really stand out.