Posts Tagged "science"

A 500 Year Experiment

“Physically, the 500-year experiment consists of 800 simple glass vials containing either Chroococcidiopsis or another bacterium, Bacillus subtilis. The glass vials have been hermetically sealed with a flame. […] Every other year for the first 24 years, and then every quarter century for the next 475, scientists are supposed to come test the dried bacteria for viability and DNA damage.”

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Why Do Taxonomists Write the Meanest Obituaries?

“That’s because the Principle of Priority binds all taxonomists into a complicated network of interdependence; just because a species description is wrong, poorly conceived, or otherwise inadequate, doesn’t mean that it isn’t a recognized part of taxonomic history. Whereas in physics, say, “unified theories” scrawled on napkins and mailed in unmarked envelopes end up in trashcans, biologists, regardless of their own opinions, are bound to reckon with the legacy of anyone publishing a new name.”

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Forget San Andreas: Why You Should Be Worried About the Cascadia Subduction Zone

“When the next full-margin rupture happens, that region will suffer the worst natural disaster in the history of North America. Roughly three thousand people died in San Francisco’s 1906 earthquake. Almost two thousand died in Hurricane Katrina. Almost three hundred died in Hurricane Sandy. FEMA projects that nearly thirteen thousand people will die in the Cascadia earthquake and tsunami.”

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Christmas Eve and Ten Pounds of Dry Ice

The thing with dry ice is that, through a process known as sublimation, it shifts from a solid to a gas without an intermediate liquid stage.

If you’ve seen it done in science classes, you know the cool “fog effect” that happens when you mix dry ice and water. The present we got Cameron was basically this experiment, but with a slight twist. Luckily for us, Cameron had never experienced dry ice before… so it got to be a cool thing on multiple counts for him.

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Stunning Kinetic Wave Sculptures – Reuben Margolin

Artist and Maker Reuben Margolin has an uncanny ability to create sculptures that capture the feel of natural movements. Looking at his work, it’s hard not to be mesmerized both by the water-like motion of his pieces… but also by the incredibly complex mechanical components that make the motion possible. It’s fascinating to get a tour of his workshop, and…

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SolarBeat: Music of the Spheres

SolarBeat is a Flash-based musicbox that uses the orbital frequencies of our solar system. Made by Whitevinyl, the produces a series of ambient tones that are really quite pleasing, and you can adjust the tempo to whatever you like. A very clean and lovely experiment, mixing science and sound. [via Justin] Related:pi10k

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