by msander | Aug 15, 2018 | Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
An experiment on how turbulent convection in Earth’s core makes a magnetic field Get a free audiobook with a free 30 day trial at http://www.audible.com/Veritasium or text Veritasium to 500-500 Huge thanks to Prof. Dan Lathrop and team: http://ve42.co/Lathrop...
by msander | Jul 5, 2018 | Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
An airbag can save your life, but if improperly manufactured, it could mean your death. At least five people have died after airbags made by Japanese company Takata exploded during deployment in crashes, bombarding passengers with sharp metal fragments. Now more than...
by msander | Jul 26, 2017 | Gr. 11-12 Physics
Magnetism seems like a pretty magical phenomenon. Rocks that attract or repel each other at a distance – that’s really cool – and electric current in a wire interacts in the same way. What’s even more amazing is how it works. We normally think...
by cbrookallred | Feb 13, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
Food labels often contain the word ‘fortified’. This means that one or more ingredients have been added that are not normally found in that food item. The purpose is to increase the amount of that mineral or nutrient to serve a dietary purpose. Table salt is...
by cbrookallred | Jun 15, 2015 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
>>> Written by Steve Spangler. Use a magnet to prove that there really is iron in your breakfast cereal. The next time you’re eating a big bowl of breakfast cereal, take a closer look at the ingredients. You’ll find that your cereal contains more...
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