A break in periodicity occurs in the actinide series between plutonium and americium as the result of the localization of 5f electrons. The subsequent chemistry of later actinides is thought to ...

Californium is a synthetic, radioactive element not found in nature. It is an actinide: one of 15 radioactive, metallic elements found at the bottom of the periodic table. The pure metal is ...

Henry S. La Pierre is in the School of Chemistry and Biochemistry and the Nuclear and Radiological Engineering and Medical Physics Program, School of Mechanical Engineering, Georgia Institute of ...

This element is one of many first made at UC Berkeley in the 1950s. Unlike most manufactured elements, though, this one is actually useful. This is how it starts up nuclear reactions. Researchers ...

At today’s prices, one gramme of californium-252 can be valued at around $27 million, a figure that can exceed the value of roughly 200 kg of gold depending on where gold is trading. That headline ...

Never let it be said that science-fiction writer Philip K. Dick didn't grapple with big ideas. "The two basic topics which fascinate me," he once wrote in an essay, "are 'What is reality?' and 'What ...

A frustrating, limited exploration game as well as a delirious celebration of one of sci-fi's greats, Californium is a fascinating oddity. I'm sat in a chair stabbing at a clacking typewriter in an ...

Turkish gendarmerie seized seven grams (0.24 oz) of radioactive californium and 1,195 historical artifacts during an anti-smuggling operation in southeastern Diyarbakir province, authorities said ...

Eight people have been arrested from Ghazipur area in Lucknow for allegedly selling what was suspected to be radioactive substance californium, police said on Friday. The accused were stopped for ...