Panda 1 oz 999 24k Gold Density test
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US compliance auditor wants 'greater transparency' at VW
German e-cars still hampered by lack of charging stations Density Of Gold
A team from the TU Freiberg Bergakademie has developed a new way to extract lithium from ore. The low-density metal is in high demand - it's an essential material in smartphone and e-car batteries.
Salar de Atacama is rich in lithium, essential to electric cars and other low-carbon tech. But indigenous people are fighting its extraction, saying private interests are cashing in at the expense of their environment.
US considers cabin laptop ban for flights from Europe
A controversial laptop ban on flights from the Middle East could soon be expanded to European flights. But European regulators have warned that stowing so many lithium batteries in the hold could be risky. Density Of Gold
Whether in cars, laptops or smartphones, cobalt is in nearly all batteries. The biggest supplier is the Democratic Republic of Congo, where human rights are often violated in the mines.
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