Algorithms are precise step-by-step techniques for solving problems, guaranteeing a correct answer. Heuristics are quick "rule of thumb" methods that help solve everyday problems faster.

Order doesn’t always form perfectly—and those imperfections can be surprisingly powerful. In materials like liquid crystals, ...

Frequency, runtime, layover, cycle time, and how they all relate to determine how much transit service costs to operate — all in this installment of Transit Scheduling 101!