Archives for posts with tag: cycling

According to a piece on the BBC News website, Olympic cycling has taught us five science lessons…

  1. Slipstreaming saves energy – the cyclist in front uses about a third more energy than the one behind
  2. The centripetal force in a flat circular track would make it hard for cyclists to stay on track – so the velodrome is an oval and is banked
  3. Aerodynamics is important – by making themselves small, wearing sleek helmets and by riding bikes with solid wheels, the cyclists cut wind resistance
  4. Muscle makes a difference – cyclists build up different kinds of muscles for sprint (fast twitch muscle) and endurance cycling (slow twitch muscle)
  5. High tech clothing helps – once piece suits are designed not to soak up sweat and to smooth air flows

Olympic Games 27 July – 12 August

Scientists working with Team GB are using genetic tests to try to work out why some athletes are prone to injury such as tendon injuries and stress fractures. Researchers at University College London may have found a gene linked with injury.

Olympic Games 27 July – 12 August

As always, Olympics opening ceremonies include fireworks and today’s was no exception. Fireworks use a lot of science – for example, particle sizes control the rate of burn, different colours are created by using different metals, and the sounds and shapes depend on how the chemicals are packed.

Olympic Games 27 July – 12 August

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