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Split Second

The issue of whether to add a "leap second" to square the clock with the Earth's orbit pits time specialists against IT.
Opinion

May the Computational Force Be with You

There are many open questions in complexity theory concerning "a deeper reality below the one we perceive" that may be relevant, even fundamental, to Yannis Papakonstantinou's Viewpoint "Created Computed Universe" (June 2015).

Shape the Future of Computing

ACM encourages its members to take a direct hand in shaping the future of the association. There are more ways than ever to get involved.

Get Involved

Communications of the ACM (CACM) is now a fully Open Access publication.

By opening CACM to the world, we hope to increase engagement among the broader computer science community and encourage non-members to discover the rich resources ACM has to offer.

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