Seeing sound waves as it’s travelling through the air is actually possible thanks to a clever technique called Schlieren flow visualization. Schlieren flow visualization is based on the deflection of light by a refractive index gradient The index gradient is directly related to flow density gradient. The deflected light is compared to undeflected light at […]
[VideoFromSpace]
Here is the mathematically perfect way to cut a round cake according to polymath Sir Francis Galton. You’re welcome. [Numberphile]
Watch as singer/songwriter Sarah Donner impersonates a cat to sing a fun rebuttal to the Schrodinger’s Cat Theory. [Sarah Donner | Via TMS]
From Youtuber Kurzgesagt: Are you alone? To answer this question we have to take a look what “you” are first. What are you made of and where you stand in this universe. Are you your body? Your atoms? And how are your parts connected to the big picture? [Kurzgesagt]
From the American Chemical Society: You’re probably craving ice cream to cool you down this summer. Reactions looks at the chemistry involved in making the treat creamy and sweet. Turns out the creaminess of ice cream has little to do with cream. It’s all about the ice crystals. The smaller the crystals, the creamier the […]
Two British organizations are offering $16 million to the person who can best solve a scientific challenge. And it wants the public to vote on which of six challenges most needs a solution. The Longitude Prize is being funded by the Technology Strategy Board (a semi-independent government agency) and organized by Nesta (a charity.) It […]
John Oliver talks to Stephen Hawking in the first installment of Last Week Tonight’s new “People Who Think Good” series. They cover such topics as parallel universes, artificial intellicence, and Charlize Theron. [Last Week Tonight with John Oliver]
Public bathrooms can be pretty gross – but should you be worried about contamination? Science breaks down whether you should hover or cover the toilet seat. [ASAPScience]
Why is ‘x’ used as a symbol to represent the unknown? In this short and funny TED talk, director of the Radius Foundation Terry Moore, gives us the surprising answer. [TED]