An unknot (also known as the trivial knot) can be drawn with any number of crossings. Any possible manipulation of a knot ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

From healthy 'pale straw' to potentially dangerous 'brown ale', urine comes in a wide range of colours. Now doctors at a U.S. medical centre have drawn up a diagram to illustrate what is normal and ...

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Anyone whose job involves servicing electric motors has encountered the problem of a missing nameplate. Other articles in the Motor Doctor series have covered ways of determining the specifications of ...

Application sharing between a client, middleware and enterprise server Application sharing between a client, application server and enterprise database server.

When the Fry Building was being designed as the new home for the School of Mathematics, we wanted to build in public art connected with our subject. We decided to commission a specially-designed brise ...