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IMA YouTube page launched

The Institute of Mathematics and its Applications have launched a YouTube channel.

Prime number puzzles from Matt Parker

As part of the Telegraph numeracy campaign “Making Britain Count”, Matt Parker’s second set of puzzles are online. This time they are themed around prime numbers.

Telegraph: Numeracy campaign: More maths puzzles by Matt Parker.

Math/Maths 84: A π-curious Nerd

Math/Maths 84 is now available.

A conversation about mathematics between the UK and USA from Pulse-Project.org. This week Peter spoke with special guest Matt Parker about Festival Of The Spoken Nerd, Your Days Are Numbered, use of the word ‘geek’ and the Telegraph Numeracy campaign, and with Samuel, live from the streets of New York City, spoke about: superbowl math; The Crafoord Prize; John Leech MP says Alan Turing should be pardoned; singingbanana code challenge 2012; Non-transitive Grime Dice; Facebook-type Mathematics networking site; Torus Games & more.

Putting all the world’s water in buckets

Following this pair of tweets about water:

A bucket full of water contains more atoms than there are bucketfuls of water in the Atlantic Ocean

— The QI Elves (@qikipedia) February 5, 2012

.@qikipedia There are 10,000× more molecules per pint of water than pints of water on earth. (3×10^21 pints/earth vs 2×10^25 molecules/pint)

— Matt Parker (@standupmaths) February 5, 2012

The obvious question is, at what point are the two numbers the same? Or,

If you put all the Earth’s water into containers of the same size so that each container carries as many atoms of water as there are containers, how big is each container?

Click here to continue reading Putting all the world’s water in buckets on cp’s mathem-o-blog

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