The Last Supper needs cleaner air
Although outdoor pollution has been reduced around the painting by 88 and 94 per cent, indoor pollution is still a major threat to Da Vinci’s “˜Last Supper’.
What is a red-giant?
Near the end of a star’s life, the temperature in its core rises and causes the star to expand into a red-giant.
Nikon Small World 2011
5th Place Alfred Pasieka Germany Microchip surface, 3D reconstruction (500X) Incident light, Normarski Interference Contrast Nikon has announced the winners of the 37th Small World Microphotography Competition.
Do-it-yourself science projects: Storm clouds in a bottle
To print this project, click on the image and select print in your file menu. Related links: Make a pinhole camera Make a volcano Make a periscope Make your own mini desalination plant
