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The Life Scientific

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Professor Jim Al-Khalili talks to leading scientists about their life and work, finding out what inspires and motivates them and asking what their discoveries might do for us in the future

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  • Folge vom 23.01.2018
    Eugenia Cheng on the mathematics of mathematics
    Nothing annoys Eugenia Cheng more than the suggestion that there is no creativity in mathematics. Doing mathematics is not about being a human calculator, she says. She doesn't spend her time multiplying big numbers in her head. She sits in hotel bars drawing (mainly arrows) with a fine quill pen, thinking about how ideas from different areas of mathematics relate to one another and hoping to reveal a unifying, underlying logic to the whole of mathematics. Her area of research, Category Theory, makes algebra seem superficial. And if that makes your head hurt a little, don't worry. Feeling confused is an essential part of doing mathematics. 'You can't make progress without it' Eugenia says. Jim asks Eugenia what drove her to such a high level of abstraction and learns more about her mission to rid the world of maths phobia, by baking. Producer: Anna Buckley Photo credit: Paul Crisanti, PhotoGetGo.
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  • Folge vom 16.01.2018
    Eben Upton on Raspberry Pi
    When Eben Upton was in his twenties, he wanted to get children thinking about how computers think, to boost the number of people applying to read computer science at university. He dreamt of putting a chip in every classroom. The result was Raspberry Pi, a tiny gadget, little bigger than a credit card, that can be hooked up to any keyboard and monitor, to create a programmable PC. And it's cheap. Raspberry Pi Zero, sticker price just �5, was given away free with a computer magazine in 2015. Eben tells Jim how it all began, in his loft with soldering irons and post it notes, and how, by ruthlessly pursuing a philanthropic goal he became CEO of a highly successful business enterprise. Producer: Anna Buckley.
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  • Folge vom 31.10.2017
    Adrian Thomas on the mechanics of flight
    As a young man Adrian Thomas took to the skies in order to better understand the mechanics of flight. He's a paragliding champion and a Professor of Zoology who specialises in the dynamics of insect flight. On a typical day, he can be found inside a wind tunnel that's been custom-made to study insects instead of jumbo jets. Using lines of smoke and high speed video cameras, he measures exactly how different insects flap their wings. When he's not writing academic papers, he's inventing clever machines based on his insights into how nature achieves certain results. His latest project is a drone that's inspired by a dragonfly. This nimble robot can accelerate rapidly in any direction and, having flexible wings rather than rotary blades, it glides when the battery dies rather than dropping dangerously to the ground. He's also working on a wheelchair modelled on a spider and a boat with a fin rather than a propeller. Producer: Anna Buckley.
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  • Folge vom 24.10.2017
    Ellen Stofan on being NASA chief scientist
    When Ellen Stofan was just four years old, she witnessed the worst rocket launch-pad disaster in NASA's history convinced that her father, (who was a rocket engineer) was on board. He wasn't. Nonetheless, for many years NASA was not her favourite place. In 2013, however, she became she became their chief scientist, a post she held for 4 years. Barak Obama dreamt of putting people on the red planet by 2032 and Ellen did everything she could to develop a realistic plan to make this happen. (A 2032 arrival is ambitious but NASA is considerably closer than it was before Ellen took charge of the science.) Her research career began studying radar data from a Soviet mission to Venus, trying to see beyond the thick toxic cloud that surrounds it. She wanted to understand how Venus evolved so very differently from its nearest neighbour, earth. She has also used radar data from satellites to study planet earth. And in 2008, was the lead author on a paper that revealed the extent of the lake on Saturn's moon, Titan. It contains hundreds of times more gas and liquid hydrocarbons than all the known oil and natural gas reserves on earth. Producer: Anna Buckley.
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