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13 years Ago

Levels of Abstraction

Published by marco on

The universe is, apparently, quite big. This is made all the more amazing in light of how small its constituent components are, since it clearly takes quite a lot of them to make up something so mind-bogglingly huge as the universe. Brian Cox at LIFT Conference (LIFT07) gave a brilliant talked aimed at the layperson—if the lay-person happened to be versed in the basics of particle physics. Dr. Brian Cox explains nuclear physics is another, wider-shot video of the same event, on which you can... [More]

Measuring Body Fat

Published by marco on

The BMI, or Body-Mass–Index, has been in the news a lot lately. Whether because of runway models, whose BMIs are dangerously low, or because of kids in first-world countries, whose BMIs are dangerously high. The BMI myth by Peta Bee (The Guardian) takes a look at the utility of this measurement in determining health. As usual, now that the public (as well as insurance companies and government agencies) has glommed on to this statistic as the final say in health, scientists have taken a look at it and found it wanting.

Calculating... [More]