FYI: How Long-Running Is the Longest-Running Lab Experiment? Eighty-five years so far. The pitch-drop experiment—really more of a demonstration—began in 1927 when Thomas Parnell, a physics professor at the University of Queensland in Australia, set out to show his students that tar pitch, a derivative of coal so brittle that it can be smashed to pieces with a hammer, is in fact a highly viscous fl
World’s First Coins With QR Codes Will Start Circulating in the Netherlands Next Week Determined to keep physical currency relevant in an age of bitcoins and NFC-equipped phones, the Dutch are turning their coins into little high-tech toys. These are purportedly the world’s first coins with QR codes, which currently link to the national mint, but after June 22 will link to a “surprise.” The coins
A test-tube circuit made of DNA-based logic gates can calculate the square root of numbers up to 15, using DNA replication and sequence binding to conduct computations. It’s excruciatingly slow — a calculation can take up to 10 hours — so organic laptops are not exactly in our near future. But the real breakthrough is in how this system can enable control of chemical systems. Researchers at Caltec
World’s First Tissue-Engineered Urethras Deemed a Success The organs were grown from the patients' own cells By Clay Dillow | Published Mar 8, 2011 10:59 PM EST Health SHARE Six years ago, researchers at the Wake Forest Institute for Regenerative Medicine used tissue-engineering techniques to grow new urethras for five young male patients from their own cells. Now, an article published in the Lanc
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