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Really orientates itself using a spinning wheel that is inside and also a magnet which can push against the earth's magnetic field. some satellites are used to help with climate analysis. for example, the way that radio waves bounce off the ground could tell you how moist the soil is and the way the radio waves bend as they travel through the atmosphere can help precisely determine the air temperature. and then they are the ships. by comparing the id signals broadcast by vessels with their actual positions as given away by radio wave reflections, it is possible to spot if a fishing boats are s...

Waves bounce off the ground can tell you how moist the soil. and the way that radio waves bend as they travel through the atmosphere can help precisely determine the air temperature. and then they are the ships. by comparing the id signals broadcast by vessels with their actual positions, as given away by radio wave reflections, it's possible to spot if fishing boats are saying one thing but doing another. so, that might be somebody fishing when they're not licensed to. it might be a vessel fishing once, their license for one haul, and then selling that haul on the high seas, fishing again and...

The cloud in space, right? very good, great. what i still find amazing is that as well as the normal big satellites that we've all seen being launched into space, this is also a satellite these days. it's called a cubesat, it comes with popout solar panels and what you do is you pack these into the empty space around the big satellites in the rocket when they grow up. so suddenly you don't need to buy your own rocket to get something like this into space. you can put whatever you want inside one of these things but they come with some standard kit, like solar powered batteries and an orientati...

But it's radio waves that i've come to talk about today. this is spire global, which makes satellites that listen to the radio waves that bounce around and off of the earth. we use data from space to improve life on earth — full stop. we're done, right? ok, so maybe it's a bit more complicated than that. spire has a network of around 100 satellites in orbit that monitor the radio waves broadcast by things like planes and ships, along with natural radio waves that are reflected off those objects, off the sea, off the land and that bounce through the atmosphere. and then it's up to their custo...

Yeah, right. yeah, right, yeah. what i still find amazing is that as well as the normal big satellites that we've all seen being launched into space, this is also a satellite these days. it's called a cubesat, comes with pop out solar panels. and what you do is you pack these into the empty space around the big satellites in the rocket when they go up. so suddenly, you don't need to buy your own rocket to get something like this into space. now you can put whatever you want inside one of these things, but they come with some standard kit, like solar power batteries and an orientation system to...