A 6-Legged Robot Stares at the Sky to Navigate Like a Desert Ant Dupeyroux et al., Sci. Robot. 4, eaau0307 (2019) Sensing polarized light is an indispensable skill for the ants, and perhaps soon it will also serve robots and autonomous cars.
That's the premise of the book How to Invent Everything: A Survival Guide for the Stranded Time Traveler, by Ryan North.Without getting into the nitty-gritty details, it gives you the general idea of how things like an electric motor or wifi work. If you can build a radio transmitter, you won't need a clock.
By accepting this download, owners give their cars the ability to “Navigate on Autopilot,” which Tesla says “guides a car from a highway’s on-ramp to off-ramp, including suggesting and making lane changes, navigating highway interchanges, and taking exits.”It comes with a mass of caveats though, not least that the driver still has to stay in control, and confirm every single move the computer comes up with.