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Category Archives: Science
Why is there no equation for the perimeter of an ellipse‽
A Podcast of Unnecessary Detail is out now: https://festivalofthespokennerd.com/p… Come for the Unnecessary Detail, stay for the A Podcast Of. These are my approximation equations: perimeter ≈ π[53a/3 + 717b/35 – √(269a^2 + 667ab + 371b^2)] perimeter ≈ π(6a/5 + … 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
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
Does Consciousness Influence Quantum Mechanics?
It’s not surprising that the profound weirdness of the quantum world has inspired some outlandish explanations – nor that these have strayed into the realm of what we might call mysticism. One particularly pervasive notion is the idea that consciousness … Continue reading
How animals and plants are evolving in cities
In cities, evolution occurs constantly, as countless plants, animals and insects adapt to human-made habitats in spectacular ways. Evolutionary biologist Menno Schilthuizen calls on peculiar beings such as fast food-loving mice and self-cooling snails to illustrate the ever-transforming wonders of … Continue reading
How Does Life Come From Randomness?
David Kaplan explains how the law of increasing entropy could drive random bits of matter into the stable, orderly structures of life.
How Symmetry Shapes Nature’s Laws
In this 2-minute video, David Kaplan explains how the search for hidden symmetries leads to discoveries like the Higgs boson.
A touch of absurdity can help to wrap your mind around reality | Psyche Ideas
At the Surreal Things exhibition at the V&A Museum on 27 March 2007. Photo by Peter Macdiarmid/Getty David Robsonis a science writer. His first book is The Intelligence Trap: Why Smart People Do Stupid Things and How to Make Wiser … Continue reading
