Symmetry between up and down quarks is more broken than expected
Wojciech Brylinski was analyzing data from the NA61/SHINE collaboration at CERN for his thesis when he noticed an unexpected ...
CERN Courier13d
Isospin symmetry broken more than expected
This suggested that the “isospin symmetry” between up (u) and down (d) quarks might be broken by more than expected due to ...
BBC1y
Where can you find symmetry in nature?
This kind of symmetry is called rotational symmetry. Rotational symmetry is where a shape or pattern can be rotated or turned around a point and it looks the same. Have a go at this crafty ...
BBC4y
Angles, lines and polygons - AQA
The number of lines of symmetry in a regular polygon is equal to the number of sides. A shape has rotational symmetry when it can be rotated and it still looks the same. The order of rotational ...