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They tell us about the behaviour of the sun, and galaxies far away; are being used to track sleep in research studies; and tech is changing how radio works too.
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 customers to decide what to do with ...
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 go 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 orientation system to make sure the th...
Change is not man—made. the banks of this world know it's not going to happen! and paul goes for the ride of his life. you know, there's more to light than meets the eye, and i mean that literally. although it gives us all of the beautiful colours of the rainbow, we can only see a small fraction of the light that's all around us. we can't see infrared, but we can feel it as heat. ultraviolet is invisible but our skin knows if we have too much of it. and then there are x—rays and gamma rays and microwaves, but it's radio waves that i've