Africa

John Underkoffler: Pointing to the future of UI

future of UI

http://www.ted.com Minority Report science adviser and inventor John Underkoffler demos g-speak — the real-life version of the film’s eye-popping, tai chi-meets-cyberspace computer interface. Is this how tomorrow’s computers will be controlled? TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives ... Read More »

Chlorine: From toxic chemical to household cleaner

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Few chemicals are as familiar as table salt. The white crystals are the most common food seasoning in the world and an essential part of the human diet. Sodium chloride is chemically very stable – but split it into its constituent elements and you release the chemical equivalent of demons. The process is brutal. Vast amounts of electricity are used ... Read More »

The power of parody in eastern Ukraine

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The tired looking young men in t-shirts and combat fatigues manning the barricades in Slovyansk say they are not going anywhere. Yesterday the agreement thrashed out in Geneva between the EU, the US, Russia and Ukraine said that all unauthorised roadblocks and occupied municipal buildings should be cleared. But they’re not obeying those orders in eastern Ukraine. “The government in ... Read More »

Iran president offers olive branch

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Iran’s president has underscored his moderate policies and outreach to the West during a military parade marking the country’s National Army Day. Hassan Rouhani said today that Iran has no hostile intentions toward anyone in the world, including the United States, which has long been considered an enemy. He said: “We are not after war, we are after logic, we ... Read More »

No longer a curse?

Copper mining in Kitwe, Zambia.  Photo: Panos/ Sven Torfinn.

African leaders take action that could transform the mining sector The Hollywood blockbuster movie, Blood Diamond, tells a gripping story of how diamonds fuelled Sierra Leone’s 11-year civil war, which erupted in 1991. It depicts kidnappings, use of child soldiers, amputations, rape, killings and destruction of bridges and hospitals, among other atrocities. The movie, starring American actors Leonardo DiCaprio, Jennifer Connelly ... Read More »

Animating life: bringing science to the YouTube generation

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Telling science stories often involves explaining complex interactions between a cast of molecular “actors,” on a set smaller than the wavelength of light, so scientists are increasingly using animation to communicate such stories to the broader public. This is part of a global shift in how knowledge is communicated, reflected in the rapid rise of online video content – more ... Read More »