Question of the Week Podcast

Question of the Week episode

Mon, 28th Mar 2011

Where on Earth is gravity the strongest?

earth (c) NASA

Where do you have to go on the Earth to find the strongest pull of gravity? And where might one go to find the weakest? Plus, we ask which is the most efficient method of heating water: keeping a tank-full warm or just heating what you need.

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In this edition of Question of the Week

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