Optical illusions are images that seem to trick our minds into seeing something different from what they actually are. But how do they work? Nathan S. Jacobs walks us through a few common optical illusions and explains what these tricks of the eye can tell us about how our brains assemble visual information into the […]
The world is getting closer to achieving one of the most important public health goals of our time: eradicating HIV. And to do this, we won’t even have to cure the disease. We simply have to stop HIV from being transmitted until eventually it fizzles out. Philip A. Chan explores the preventive strategies helping us […]
Can’t fall asleep? These sleep tips are better than ASMR! [ASAP Science]
Over the last few years eating meat has increasingly been associated with health risks, like heart disease, cancer and an early death. How unhealthy is meat really? Find out in this episode of “In a Nutshell.” [Kurzgesagt – In a Nutshell]
This is a demonstration of the conservation of angular momentum using a Hoberman sphere, a plastic sphere frame that can be contracted by pulling on a string. Pulling on the string while the sphere is rotating causes the sphere’s moment of inertia to decrease and its angular speed to increase, demonstrating conservation of angular momentum. […]
Silicon transistors allowed computers to shrink from the size of houses to watches in a short time, but engineers are facing a problem: we’ve almost hit the limit on how small silicon transistors can get. [SciShow]
Watch as Bill Nye, The Science Guy makes the case for a carbon-neutral society in the most badass way possible. Warning: Language [melodysheep]
Ever wondered how magnets are made? Get the full history and ‘making of’ right here! [Discovery UK]
The optical illusion you see below was created by professor Kohske Takahashi. The lines appear to be sharp zigzags, but in reality they’re curving sine waves. Their shading and contrast are what makes your brain think otherwise. Behold: You can read more about how the illusion work over at i-Perception.
One element is the backbone of all forms of life we’ve ever discovered on Earth: carbon. Number six on the periodic table is, to the best of our knowledge, impossible to live without. In this episode of Reactions, discover what makes carbon so exceptional, its nearly infinite capabilities, and potential intergalactic implications. [Reactions]