The main aim of the recent camping trip to the North Norfolk coast aside from camping for the sake of it was to see some of the seals that have a colony at Winterton/Horsey, a couple of miles along the beach from the Waxham campsite. We counted a couple of hundred that we see in … Continue reading "Waxham to Winterton and Horsey"
Over four million people that live in countries where being gay is illegal have been labelled by Facebook as being interested in homosexuality
Alchemy or intro chem?
In an experiment that Gregory J. Rummo teaches his general chemistry students, the students make six solutions of known concentrations of Fe(NCS)2+, aka isothiocyanatoiron (III), in dilute nitric acid. Students then measure how much light at 447 nm that each solution absorbs to understand the reaction between the iron and the thiocyanate. But on this particular day, this set of samples was at just the right angle to catch the light so that the normally red-orange solutions looked like gold. Читать дальше...
Kinetic quantum sieving in a metal-organic framework
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