how satellites rule our world

BBC2 showed a really good programme about satellites last night.  This screenshot showing a satellite passing over the Highlands is taken from about 17 minutes into the show.  Click on the picture to visit the BBC’s own page about the documentary.

It was quite eye-opening to see just how much modern society relies on satellite technology.

You can download the entire programme using the link below.

dropping a slinky

Ria asked if a slinky really stops in mid air when it is released.  Eoin helped us to find out the answer.

It’s easier to see what happens if you watch a slow motion version.

Or even slower motion.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Why does that happen?