I read a great article on the BBC recently that was giving tips on finding your way in a city. Did you know that most UK satellite dishes (all belonging to the same provider) point roughly south east? They’re pointing at the same geostationary satellite, fixed at the same point over Earth.
We’re all becoming increasingly reliant on having a GPS signal to know our location – whether it’s to find your nearest cinema/petrol station/restaurant on a mobile phone, following the soothing tones of your satnav, or plotting a route for your next countryside walk. But what happens when you lose your GPS signal, or your battery dies on the device you’re using?