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I just learned about Ferrofluid today. It can do some amazing things, like this video shows. After the jump is a second video explaining HOW ferrofluid works.
From the YouTube descriptioin:
A steel sculpture with changing magnetisation is coated with ferrofluid.
The fluid is pulled in the direction of increasing flux density and forms peaks, which become smaller [...]
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Antioch College
It sounds crazy but you can actually go to a private liberal arts college that will give you a full-ride tuition scholarship for four years. Seriously.
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Big sound using age old principles.
I know I’ve been all about the old-fashioned-looking iPhone speakers lately, most of which are electricity-free. And 3D printing. So I’m jazzed the two have come together with this 3D printed iVictrola Gramophone dreamed up by Schreer Design and manufactured by Shapeways.
Check. It. Out. (video after jump…)
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A female spotted salamander gravid with eggs in route to her breeding pool. There she will lay a cluster of approximately 100 eggs. Eight to ten weeks later, those eggs will hatch as larvae. In late summer, if the pool has not already dried, larvae will metamorphose into juveniles that migrate to the adjacent upland [...]
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Several states already limit trans-fat in school cafeterias.
Colorado is the nation’s leanest state and it is taking aim at junk food in school cafeterias as it considers the nation’s toughest school trans-fat ban.
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The countries with the most highly educated citizens are also some of the wealthiest in the world.
College graduation rates in developed countries have increased nearly 200%, in the past 50 years according to Education at a Glance 2011, a recently published report by the Organisation for Economic Co-operation and Development (OECD). While [...]
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The world of academics is changing rapidly.
OpenCourseWare, or OCW, is a term applied to course materials created by universities and shared freely with the world via the internet. The movement started in 1999 when the University of Tübingen in Germany published videos of lectures online in the context of its timms initiative. The OCW [...]
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The highly entertaining Vi Hart is back with another episode of Doodling in Math Class. Her videos are fun to watch, clear and easy to understand, and express the joy of scientific discovery:
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Now you can listen to trees literally.
Aside from the gentle rustling of leaves in the breeze, or the creaking of a bough in a winter gale, a tree’s character may best be described as ‘the strong and silent type’ — but, as so often is the case with such personalities, they just might have the [...]
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A powerful X-ray laser pulse from SLAC National Accelerator Laboratory’s Linac Coherent Light Source comes up from the lower-left corner (shown as green) and hits a neon atom (center). This intense incoming light energizes an electron from an inner orbit (or shell) closest to the neon nucleus (center, brown), knocking it totally out of the [...]
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Psychic Octopus Paul in the spotlight once again.
An octopus housed in a German aquarium, Paul rose to worldwide fame when he managed to accurately predict each of the winners in the 2010 FIFA World Cup, soccer’s premier event. He went on to predict — again, accurately — the winner of the final.
Paul retired from predictions [...]
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Apple’s iBooks 2
Apple’s new iBooks 2 initiative has the potential to vastly improve the K-12 learning experience. They will offer attractive digital textbooks with interactive features like videos, animations, definitions, flashcards, and quizzes. But, with the proprietary nature of the software it means that publishers, parents, and schools will be [...]
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Rising human carbon dioxide emissions may be affecting the brains and central nervous system of sea fishes.
Rising human carbon dioxide emissions may be affecting the brains and central nervous system of sea fishes with serious consequences for their survival, an international scientific team has found…
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Telefonplan School, in Stockholm
Sweden has new school system that is eliminating all of its classrooms in favor of an environment that fosters children’s “curiosity and creativity.” (Pics)
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DISPLAX Multitouch Globe from DISPLAX™ Interactive Systems on Vimeo.
The demo kind of falls apart when they start poking around Windows, but Displax’s new 40-inch diameter Multitouch Globe looks like an absolute joy when it comes to navigating interactive maps. It’s just too bad it’s a bit impractical…
