Feb. 12, 2013 8:49 AM
The USA uses uranium from Russian nuclear weapons as fuel in its civilian nuclear power plants. If the weapon-grade uranium is mixed with the Norwegian element thorium, the waste becomes 95 per cent less radioactive.
Jan. 29, 2013 3:04 PM
In five to seven years, solar cells will have become much cheaper and only one-twentieth as thick as current solar cells. The trick is to deceive the sunlight with microbeads.
Jan. 25, 2013 9:29 AM
The universe abounds with dark matter. Nobody knows what it consists of. UiO physicists have now launched a very hard mathematical explanation that could solve the mystery once and for all.