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Tag Archives: science
What Is The Lifetime Of A Photon?
As you may have read somewhere, light only takes 8 minutes to cover the distance between the Sun and the Earth. Yes, that’s an insanely short time, considering that we are talking about 150 million kilometres! But the light that … Continue reading
Hubble: An Unexpected Journey [Eye in the Sky Video Miniseries]
Episode 2: An Unexpected Journey – With five servicing missions, upgraded instruments, and new ways of operating, Hubble is not the same telescope it was when it launched. Discover the innovative ways astronomers and engineers use Hubble today. Video … Continue reading
Posted in Astronomy
Tagged construction, Environment, nature, photography, science, Technology
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BBC World Service – CrowdScience, What’s the yeast doing inside my bread?
Yeast: the tiny organism with massive potential f you’re one of the millions of people who used lockdown to try something new like baking sourdough bread, you may well be wondering what’s happening chemically inside your loaf, especially if the … Continue reading
A more perfect unit: The New Mole
THE MOLE—as in 6.02214076×10^23, the unit in chemistry used to count really really tiny stuff like atoms and molecules. Well, THE MOLE changed (it’s not simply 6.022×10^23 anymore). And while you may not have noticed it, a fundamental shift in … Continue reading
The Rise of Molds
The film records the growth of four types of molds used for food fermentation, namely Rhizopus, Aspergillus niger, Aspergillus oryzae and Penicillium. Captured by time-lapse supermacro photography, the growth of these molds is magical and charming, revealing a mysterious and … Continue reading
Why Sugar Always Twists Light To The Right – Optical Rotation
A solution of sugar water can actually change the orientation of polarised light. Glucose/dextrose always twists light to the right! It’s all to do with the superposition for quantum states and the chirality or handedness of sugar molecules. Here’s my … Continue reading
How Oak Trees Manipulate Squirrels To Abandon Their Acorns
Oak Trees use a form of predator satiation during “mast years” to ensure squirrels leave some of the caches behind. Here’s the Numberphile video about cicadas: https://youtu.be/j7jfHM-mMC4
Science with Sam: Is our reality just one part of a multiverse?
From bubble universes to a mirror world where time runs backwards, the concept of a multiverse is one of the weirdest ideas in science. But it might just be true. Could the reality we experience be one of many? Are … Continue reading
Watch a toy boat float upside down in a levitating puddle | New Scientist
By Leah Crane Shaking a liquid fast enough allows it to levitate, and a toy boat can float on top of the levitating fluid – or upside down beneath it. When a viscous fluid like silicone oil is shaken up … Continue reading
The Origin of Worms
Where did the worms come from? These animals have been around since long before the time of the dinosaurs and their origins are actually pretty fascinating. More Worm Week: https://www.youtube.com/playlist?list…
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