Physics Super-accurate atomic clock doubles up as quantum sim The most accurate timekeepers in the world just got a new use. It turns out they can double up as simulators to help us better understand the deepest mysteries of the quantum world. Many problems in physics are difficult to untangle because their underlying behaviour, governed by the intricate rules of quantum mechanics, is too … 51¶¯Âþ
Stand up for Turkey's jailed doctors and scientists Academics and medics being unjustly jailed in Turkey and elsewhere need the support of their peers around the world Opinion
Earth Sunbots aim to slash the cost of solar arrays A booming solar industry could use a robotic helping hand if it's to compete with fossil fuels as a global energy provider 51¶¯Âþ
Earth Toxic sludge from polluted rivers turned into art (Image: John Sabraw/www.johnsabraw.com) NOT everything to do with pollution is ugly. This abstract art was created using paints made from the metallic run-off collected from polluted rivers in Ohio. The artwork is a collaboration between environmental engineer Guy Riefler and artist John Sabraw , both of Ohio University in Athens. When water from abandoned coal … Regulars
Space Infinity's end: Time to ditch the never-ending story? We might have more success in explaining how the universe works if we abandoned the idea that some things go on for ever Features
Technology The future of fabrication is a tough picture to paint Reports of the future's arrival have been greatly exaggerated (Image: Alamy) The Future is Here: A New Industrial Revolution , Design Museum, London, until 3 November. An exhibition on manufacturing's future and an evangelical book on nanotechnology highlight that the directions we'll take are very much up for grabs See more in our gallery: " … CultureLab
Enigma Number 1762 Quo Vadis?II On the grid shown on the right, place the remaining 11 cards on the unshaded squares so that when you move from card to card the number of squares in the direction shown on each, you complete a circuit visiting all 12 unshaded squares once. What are the numbers on the cards, from … Regulars
Feedback: The science of not knowing Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more The science of not knowing FEEDBACK is always pleased to extend, enlarge and engorge our vocabulary so we are particularly pleased to discover a paper by Rasmus Benestad and colleagues in Earth Systems Dynamics entitled "Agnotology: learning from mistakes" ( … Regulars