How do cameras work? What are the Herschel and Plank probes hoping to find out? How are messages sent to computers and mobile phones? We tackle these questions on this weeks show. We also find out if blood gets thinner as you get older, why newspapers are easier to tear vertically than horizontally, and investigate if it's safe to take aspirin and anti-inflammatories at the same time.
- Previous Aluminium: Chemistry in its element
- Next Rivers and Oceans
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