Andre Geim

October 9th: Precious If someone gives you a diamond proclaiming it symbolises how their love will last forever, be ready to reply: “Liar!” The precious diamonds are a material made exclusively of carbon. There is another material with the same exact composition: graphite (i.e. the lead in pencils). The only

Ettore Majorana

October 7th: Exhausted “There are several categories of scientists in the world; those of second or third rank do their best but never get very far. Then there is the first rank, those who make important discoveries, fundamental to scientific progress. But then there are the geniuses, like Galilei and

Arthur Ashkin

October 6th: Drooling Did you know that you can push stuff with light? More than that, you can use light to trap objects and move them around. Ok, the stuff has to be small, micrometric small. And the light better be a laser. And you need a lens. But this