Why car indicators flash at different rates
18 December 2020
Presented by Chris Smith with Tshego Modisane, Talk Radio 702.
Production by Chris Smith.
How do point of care tests for Covid-19 work? Are they any good? How infectious are people asymptomatically infected with Covid-19? Why do different car indicators flash at different rates? How do accents work and where do they come from? How many Earths could fit inside Jupiter, and what is the "giant red spot"? Does wearing a facemask have any negative health impacts? Do hailstorms only happen in the daytime? Join Dr Chris Smith and Tshego Modisane for the answers...
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why do a lot of people confuse between interference and diffraction?
The link between global warming and world population expansion.
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