A few days ago I posted this entry, which beautifully shows how modern technology can help us see many of the things that our unaided eyes cannot... Why are you still here? You should totally go watch that!
Of course, the nature of visible light, the kind of light we can see, is itself a fascinating subject, and one which has intrigued some of the greatest minds in history. Light permeates just about every aspect of our existence, and even after 2,500 years of research, we still do not fully understand it. Nevertheless, we have made some tremendous progress.
In today's appropriately visually and colorfully captivating documentary (and providing an introduction to a fascinating series: Light Fantastic), you will get to think about and visualize some of the questions that vexed the great minds of Empedocles, Euclid, Ibn al-Haytham (better known as Alhacen), Roger Bacon, Rene Descartes and Sir Isaac Newton, as each wrestled to understand the nature of light. It does not cover Lucretius, Ptolemy, Robert Hook or Huygens, but what is shown is very fascinating and accessible, and I guarantee you will be utterly mesmerized, if not by the ideas themselves, then at least by the richness of color and awesome photography.
I haven't watched the rest of the series yet, but I'm assuming that Einstein, particle-wave duality, the uncertainty principle and other such fascinating subjects will be shown, so stay tuned.
If you do want to learn about particle-wave duality through a fun animated cartoon, check this out.
And for homework, go share this with as many people as you can!
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