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The Naked Vocational Trainer

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Physics

Weightlessness in space!

It’s commonly believed that astronauts on the space station are weightless because of the absence of gravity, yet the pull of gravity on the space station is virtually the same as here on Earth.

In this YouTube clip, Dr Derek Muller gives a very clear and entertaining explanation of the real reasons why astronauts float in space.

Click on  Common Misconceptions to see other things that are often misunderstood.

Massage Your Inner Geek!

It’s well known that you shouldn’t over-fill your kettle before boiling for obvious reasons.  Not so obvious is to top-up with cold water, while your kettle is still hot, ready for the next time.

Find out why!

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