A new technique breaks Dijkstra's 70-year-old record: it finds routes faster in huge networks, changing graph theory forever.

The leading approach to the simplex method, a widely used technique for balancing complex logistical constraints, can’t get ...

The original version of this story appeared in Quanta Magazine. Imagine a town with two widget merchants. Customers prefer cheaper widgets, so the merchants must compete to set the lowest price.

WITH the colder days well and truly upon us, many will be wondering when Scotland’s shortest day – or winter solstice – takes place. The special annual event marks the exact moment half of the Earth ...