My daughter is actually 5 and is starting to ask questions I don’t have great ways of explaining to a 5 year old.
Today she asked me how my car gets satellite signals, after I told her what satellites are. I’m less interested in orbits – this thread does a great job explaining that – [https://www.reddit.com/r/explainlikeimfive/comments/60uuxk/eli5_how_do_space_satellites_work/](https://www.reddit.com/r/explainlikeimfive/comments/60uuxk/eli5_how_do_space_satellites_work/)
This is more like how can I explain to her the concept of the physics of signals at her age? What is a signal to a 5 year old?
I’ve read a lot of really cool stuff about how GPS works by triangulating etc. But I’m trying to go one basic layer deeper than that. What is the “signal” made of? For a 5 yr old.
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Satellites talk to each other/us using a type of light that humans cannot see. If she asks what they are saying, you could point her to Morse code as a more understandable topic than binary.
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