Scientists have long been marveled by the secrets of the Universe. However, the more they discover, the much more they realize they haven't even started scratching the surface! Much of the limitation... continue reading
posted by BSR
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Scientists have long been marveled by the secrets of the Universe. However, the more they discover, the much more they realize they haven't even started scratching the surface! Much of the limitation... continue reading
posted by BSRThe stereotypical modern playground — with its bright colors and rubberized flooring — is designed to be clean, safe, and lawsuit-proof. But that isn't necessarily the best design for kids. US playground... continue reading
posted by BSRA recent study had a lot of negative things to say about diet sodas, but how seriously should we take that study? Observational research can be powerful and useful, but it can also lead to shaky outcomes.... continue reading
posted by eric3579YouTube description: While steel reinforcement solves one of concrete’s greatest limitations, it creates an entirely new problem: Corrosion of embedded steel rebar is the most common form of concrete... continue reading
posted by Aard VarkYouTube description: The Galton Board is a 7.5” by 4.5” desktop probability machine. This device brings to life the statistical concept of normal distribution. As you rotate the Galton Board... continue reading
posted by Aard VarkThe Secret Service can no longer afford to pay hundreds of agents it needs to carry out an expanded protective mission. Federally mandated limits set by congress meant to pay the secret service for the... continue reading
posted by newtboyYouTube description: When dancer David Chanishvili is on stage, he believes that he can fly. Indeed, he appears to glide through the air with ease while performing for the traditional Sukhishvili Georgian... continue reading
posted by Aard VarkNear Bodø in Norway, there's the strongest tidal current in the world: Saltstraumen Maelstrom, a constantly-changing rush of whirlpools, boils and vortices. It might not be quite the whirlpools of myth... continue reading
posted by MordhausI never thought of sand as a non-renewable resource, but there's only a limited supply: and to make things worse, it keeps getting washed into the sea. At Cape May, New Jersey, the US Army Corps of Engineers... continue reading
posted by MordhausOne thing I should point out is that Mr. Manley consistently gets Karl Schwarzschild's name wrong. It's Schwarz Schild (black shield) and pronounced more like shield (except the d is a t sound and it's... continue reading
posted by Aard VarkIn this video, we explore the helicopter speed limit, dissymmetry of lift, and what causes retreating blade stalls.
posted by MordhausIn Sanlúcar de Guadiana, in Spain, there's a zip line called Límite Zero: the only cross-border zip wire in the world, landing in Alcoutim, Portugal. You land about an hour before you set off.
posted by MordhausYouTube description: It’s probably the most well known peacetime battle between the USA and the Soviet Union, in both technological and ideological terms of the 20th century. Although the USA won... continue reading
posted by Aard VarkAs your country's top spy, you must infiltrate the headquarters of the evil syndicate, find the secret control panel, and deactivate their death ray. But your reconnaissance team is spotty, and you have... continue reading
posted by MordhausIn the far distant future humanity will only be able to see the galaxy which they are part of. Nothing more.
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