It is known that some 2D spin-lattice Hamiltonians are “universal” simulators, in the sense that they can simulate any target Hamiltonian, but only at the cost of an exponential overhead. Here, the ...

Besides hiding from enemy drones, Norwegian reconnaissance soldiers trial their own unmanned craft to spy on adversaries.

The Federal Communications Commission is concerned that professional sports are increasingly shifting from airing on broadcast channels to multiple streaming services, and that costs for fans have ...