I stumbled across this randomly on YouTube today and had to share. The first 3/4 of the video are a chemistry experiment breakdown of what goes into a glow stick and what each of those ingredients is meant to do. But what makes me LOVE it is that, at the end, all of this coalesces into a fine explanation of the difference between light-absorbing dyes and fluorescent dyes. Come for the glow-stick "how to", stay for the better understanding of how light works and how it influences what you see!
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10:12 am Tue
Jan 17, 2012
The science of glow sticks
Using university syllabi to map the connections between every scholarly and scientific discipline
Joe Karganis writes, "This is the 'Co-Assignment Galaxy' created by David McClure. It maps the top 160K titles in the new Open Syllabus 2.0 dataset, based on the frequency with which those texts are assigned (reflected in the size of the dot) and assigned together (reflected in the location and clustering of the dots). It's […]
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The new £50 notes will feature Alan Turing (whilst HMG proposes bans on Turing complete computers AND working crypto)
The Bank of England has unveiled its new £50 notes, which had been earmarked to honour a distinguished British scientist, and which will feature Alan Turing, the WWII hero who discovered many of the foundational insights to both modern computing and cryptography, and whose work with the codebreakers of Bletchley Park are widely believed to […]
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Science offices throughout U.S. government closing under Trump at alarming rate
The great science purge, they’ll call it one day. Donald Trump is closing science offices throughout the federal government. ‘As of June, around 85 percent of all scientific posts in the federal government, including an official scientific advisor to the President, were left unfilled,’ write the editors of I F***ing Love Science blog in an […]
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7 high-tech vaporizers on sale for up to 65% off
Vape technology has been around long enough that vapers are starting to get picky about their gear. Luckily, so are we. From disposable models to cutting-edge touchscreen atomizers, there’s a vaporizer in this roundup to suit every taste. Hera 2 – World’s Most Advanced Dual-Use Vaporizer Choose between dry herb or oil extraction modes – […]
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Learn how to draw portraits, comic books, & more with this training
With enough practice and commitment, anyone can be a visual artist. But without the right instruction, that time spent honing your skills could seem like an eternity. If you really want to see where your talent can take you, you need sound fundamentals – and no matter what discipline or genre you lean toward, the […]
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This bundle teaches you how to market on LinkedIn, Facebook, Instagram, & more
Theoretically, there’s never been an easier time for marketers. The ubiquity of social media means a good word – or a good brand – can spread like wildfire with very little effort. But as limitless as the internet is, there’s a lot of competition and noise to contend with. And the vast graveyard of failed […]
