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Fusion milestone - the science behind the headlines.
Whirlwinds on Mars
75 years of the transistor electronics revolution - where next for Moore's Law?
CrowdScience listener David was sanding down a door frame when he began wondering: Why it was that a rough thing like sandpaper is used to make another thing smoother? And furthermore, why does the process produce so much heat?
We try to reduce friction in some cases by using lubricants, whilst at other times like braking at a traffic junction we depend upon friction entirely. Anand Jagatia heads to Edinburgh in Scotland, UK, to meet some true masters of this mysterious force: Curling players. What exactly is friction, and does thinking about it tell us something deeper about the universe?
By BBC World Service4.5
336336 ratings
Fusion milestone - the science behind the headlines.
Whirlwinds on Mars
75 years of the transistor electronics revolution - where next for Moore's Law?
CrowdScience listener David was sanding down a door frame when he began wondering: Why it was that a rough thing like sandpaper is used to make another thing smoother? And furthermore, why does the process produce so much heat?
We try to reduce friction in some cases by using lubricants, whilst at other times like braking at a traffic junction we depend upon friction entirely. Anand Jagatia heads to Edinburgh in Scotland, UK, to meet some true masters of this mysterious force: Curling players. What exactly is friction, and does thinking about it tell us something deeper about the universe?

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