Two-colour pixels let you draw pair of images in the same space
22 September 2017
Pixels created with pinholes in aluminium can change colour under different light, which may be useful for fighting forgeries and for storing data
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Premium
Far-off galaxies are firing rare high-energy cosmic rays at us
21 September 2017
The highest energy particles in the universe hit Earth very rarely, so it took 10 years of data to pinpoint their origin. They’re coming from galaxies far, far away
Star nicknamed Kronos after eating its own planetary children
21 September 2017
A pair of binary stars are less alike than any pair we’ve seen, possibly because one gobbled its own orbiting planets, winning it the nickname Kronos
3D-printed alloys could lead to lighter planes that fly further
20 September 2017
Modern aeroplanes are held together with thousands of rivets and fasteners. That could change soon, thanks to 3D-printed weldable alloys
Infamous three-body problem has over a thousand new solutions
20 September 2017
A long-standing maths puzzle has 1223 new solutions, more than doubling the number of possible paths three objects can take as they orbit one another
