Spatial order increases cooperation in quantum prisoner's dilemma game
Errors on Viking sun compass hint at alternative purpose
Oxford Questions seek to pull back the curtain on the foundations of quantum physics
Researchers suggest Vikings used crystals with sun compass to steer at night
Shipwreck find could be legendary 'sunstone'
An oblong crystal found in the wreck of a 16th-century English warship is a sunstone, a near-mythical navigational aid said to have been used by Viking mariners, researchers said on Wednesday.
Medieval bishop's theory resembles modern concept of multiple universes
A 13th century bishop's theory about the formation of the universe has intriguing parallels with the theory of multiple universes. This was uncovered by the the Ordered Universe project at Durham University, ...
Understanding the chain fountain: A problem-solving partnership (w/ Video)
(Phys.org) —The Rutherford School Physics Partnership is giving A-level physicists a unique opportunity to tackle a real research problem. The problem of the chain fountain was revealed by BBC Science presenter Steve Mould. 2.8 m ...
Mathematician drafts urban nuclear shelter guide
A scientist published a guide Wednesday to help authorities limit deaths from fallout after a city is hit by a nuclear bomb.
Mathematicians analyse new 'racetrack memory' computer device
(Phys.org) —Competition to create the smallest, lightest and cheapest laptop on the market is motivating the ongoing search for a better computer-memory device then the current, conventional 2D hard-disk ...
Mathematical models explain how a wrinkle becomes a crease
Wrinkles, creases and folds are everywhere in nature, from the surface of human skin to the buckled crust of the Earth. They can also be useful structures for engineers. Wrinkles in thin films, for example, ...
Micro-manufacturing breakthrough is wired for sound
In a breakthrough discovery, researchers at RMIT University in Melbourne, Australia, have harnessed the power of sound waves to enable precision micro- and nano-manufacturing.
When does a physical system compute?
Can physical systems from bacteria to black holes act as a computer? A University of York computer scientist and colleagues from the universities of Oxford and Leeds address this question in newly published research which ...
Efficient distributed quantum computing
(Phys.org)—A quantum computer doesn't need to be a single large device but could be built from a network of small parts, new research from the University of Bristol has demonstrated. As a result, building ...
Better building through design
The construction industry could slash its carbon emissions by as much as 50% by optimising the design of new buildings, which currently use double the amount of steel and concrete required by safety codes.