brady haran

 

Gold bullion at the Bank of England | video

Posted 11 December 2012 by GrrlScientist

SUMMARY: What does £197 billion ($315 billion) in gold bullion look like? Chemistry Professor Martyn Poliakoff and videojournalist Brady Haran visitied a gold bullion-filled vault at the Bank of England and give us all a look Videojournalist Brady Haran and chemistry Professor Martyn Poliakoff visit the Bank of England gold bullion vault. Image courtesy of Periodic videos. Gold is forever. It is beautiful, useful, and never wears out. Small wonder that gold has been prized over all else, in all... Read more

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60 | video |

Posted 22 May 2012 by GrrlScientist

SUMMARY: This morning, we learn how to count like the ancient Babylonians (oh, and we learn about the number 60, too)! I’ve often wondered why there are sixty seconds in a minute and sixty minutes in an hour when really, we can define these units of time in any way we wish. So why don’t we instead have 100 seconds in a minute and 100 minutes in an hour? That certainly seems more metric. ... Read more

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6000000 and the Abel Prize [video]

Posted 1 May 2012 by GrrlScientist

SUMMARY: Is there structure in randomness? According to a mathematical proof published by 2012 Abel Prize winner, Endre Szemerédi, yes, there is I can’t believe I didn’t tell you about this before, so I am going to remedy this situation right now. There are several major international prizes for mathematics: the Fields Medal is awarded once every four years to two, three, or four mathematicians who are under 40 years of age. The other is the Abel Prize, which is... Read more

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Sunflowers and Fibonacci [video]

Posted 17 April 2012 by GrrlScientist

SUMMARY: An interesting group participation project for the Manchester Science Festival: growing sunflowers! Screengrab. Today’s video is a good beginning for a Monday morning in spring. It tells you a little about Fibonacci numbers in nature, a subject that Alan Turing was studying before he died. This video also tells you about an interesting “citizen science project” being held by the upcoming Manchester Science Festival that you can participate in: growing sunflowers! ... Read more

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42 and Douglas Adams [video]

Posted 20 March 2012 by GrrlScientist

SUMMARY: Beyond being the meaning of life in nerd culture, 42 has a number of properties that really are interesting Are you a numberphile who also loves Douglas Adams? If so, then you probably already know where this is going … In this week’s amusing video, we learn about all the quirky traits of the number 42. It was writer Douglas Adams who made this number famous in his book, The Hitchhiker’s Guide to the Galaxy, as being the “Answer... Read more

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145 and the melancoil [video]

Posted 6 March 2012 by GrrlScientist

SUMMARY: What do narcissistic numbers and happy numbers share with the wild events that transpire when mathematicians visit the pub? Last week, I showed you a short video that discusses happy numbers, a concept that ties in with an earlier video I shared about narcissistic numbers. But what do these concepts have to do with what mathematicians do when they visit the pub? ... Read more

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7 and happy numbers [video]

Posted 28 February 2012 by GrrlScientist

SUMMARY: People can be happy or sad, but can numbers be happy or sad? Image: D Sharon Pruitt (creative commons). It’s a rather gloomy morning today, so I thought I’d lighten things up by showing you a video about happy numbers. Happy numbers? you ask. What is a happy number? How can a number be happy? Are there sad numbers too? ... Read more

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