Alan Davies and Marcus Du Sautoy get to grips with the problem of measuring the exact length of a piece of string. They visit the National Physics Laboratory, look at how a metre is defined now ...

Alan Davies and Marcus Du Sautoy get to grips with the problem of measuring the exact length of a piece of string. They visit the National Physics Laboratory, look at how a metre is defined now ...

You can now buy their unique string art pieces starting at $1,100. String path and height visualization – (c) Laarco 2016 Too expensive? Well, you can still build your own: The brain of the ...

String theory aims to explain all fundamental ... along with two co-authors, added a new piece to this puzzle: They have proven a conjecture related to so-called 4-graviton scattering, which ...