Physicists have debated which way a submerged sprinkler sucking in water would spin. Careful experiments provide an answer.

When I quit work, I thought that it was my retirement,” she says, laughing. “I never thought I would return to work at all.” ...

With the introduction of caching, consistency problems in a distributed system show up, as the data is stored in two places at the same time: the database and Redis. For background on this consistency ...