Category Archives: 1. How are light and heat explained?

Veritasium – The Most Misunderstood Concept in Physics

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Professor Dave: Wave Mechanics

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Professor Dave explains: What is Light?

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Fermilab video – Why does light slow down in water?

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Fermilab video – Why does light bend when it enters glass?

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Light, waves and colour quiz

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Vsauce – What Is The Speed of Dark?

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Vsauce – How Much Does a Shadow Weigh?

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The Chart of Electromagnetic Radiations

The Lawrence Livermore lab posted this gorgeous old poster of the electromagnetic spectrum onto its Flickr page. It’s an amazing artifact of scientific education from 1944, complete with images of retro radio equipment, hospital radium rays and one of the first commercially … Continue reading

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Double the temperature?

This is from an article, found on the Age Online site: (http://www.theage.com.au/victoria/four-people-mainly-infants-locked-in-cars-every-day-20140303-340p2.html) I’m guessing that it’s something like an increase from 27°C to 54°C. Quite possible & very dangerous to a child locked in the car. But is it actually “double … Continue reading

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