by msander | Apr 29, 2019 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
This video deals with common misconceptions about temperature and thermal conductivity. Made for ABC TV Catalyst http://www.abc.net.au/catalyst/ as an extended version of my Comparing Temperatures video: http://www.youtube.com/watch?v=hNGJ0W…
by msander | Apr 19, 2019 | Gr 9-10 Science, Gr. 11-12 Physics
There’s a saying that “it’s not the volts that kills you, it’s the amps” and while that’s true in a way, you can’t have amps without volts and skin resistance plays a big part too. This video explores all this, introducing...
by msander | Apr 18, 2019 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
They knew it had to exist, but they just couldn’t find evidence of it. Now, after decades of searching, astrophysicists have found verification of the first molecule that formed after the Big Bang. Source: Astrophysicists find elusive molecule that...
by msander | Apr 12, 2019 | Gr 9-10 Science, Gr. 11-12 Physics
We’re not just fission for laughs here. These physics jokes will make any scientist worth their joules crack a smile. Source: 16 Physics Jokes Every Science Lover Will Appreciate
by msander | Apr 11, 2019 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
We have just seen the first image of a black hole, the supermassive black hole in the galaxy M87 with a mass 6.5 billion times that of our sun. But what is that image really showing us? This is an awesome paper on the topic by J.P. Luminet: Image of a spherical black...
by msander | Mar 22, 2019 | Gr 9-10 Science, Gr. 11-12 Physics
Scientists have found evidence of a major solar storm that struck Earth more than 2,600 years ago — a finding they say holds relevance today, given how vulnerable some of our modern technology can be to the sun’s activity. Source: Evidence of powerful...
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