Bionic eyes, arms and spines are no longer science fiction
In the spring of 1984, something unusual began to happen to Dianne Ashworth's vision. Swirling shapes began to fill her field of view. "They were with me from that day," she says. "I watched them spread inward and take over my sight."
A guide to Australia's future energy options
Despite recent cuts to the renewable energy target in Australia, leaders elsewhere are looking to a future without coal. So what are our other options? Carl Smith guides us through Australia's alternative energy sources—exploring how they work, and their potential.
Scientists build 'DNA robots' that transport molecular cargo using 'arms' and 'feet'
US researchers have built a team of robots, made entirely out of DNA, that can walk around and sort molecules.