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None more black
Life, James Hein, Published on 25/09/2019
» Accidental discoveries have been responsible for many useful items like rubber and penicillin. A couple of science types at MIT in the US wanted to see if they could grow carbon nanotubes on aluminium to increase its conductance properties. Instead they found they had made the blackest substance yet known to man. It absorbs 99.96% of the light from any angle making it 10 times blacker than the current options. Potential uses include telescopes, optical blinders and art. Carbon nanotubes, is there anything they can't do, eventually?
Paying through the nose
Life, James Hein, Published on 03/04/2013
» A report out of Brisbane, Australia highlights an interesting but predictable issue. A specialty food store put a sign in the window stating that they charge A$5 (150 baht) to enter the store, which is refundable if you buy something. If you don't make any purchases then the store is assuming you are comparing prices to goods which you then buy online. Also, in this particular example, the store owner told reporters that about 60 people a week ask for advice then shop elsewhere, so she considers the $5 to be an advisory fee. She also believes that her policy is echoed by other store owners like those in sports, electronics and clothing.