Detecting single photons, the quanta of the electromagnetic eld, is of great signicance inscience and engineering. Aside from allowing to detect electromagnetic radiation with thehighest, quantum-limited sensitivity, it also enables numerous experiments in fundamentalphysics. Because of its universal quality, there is a wide range of applications for single-photondetectors in elds like optic…
From small-scale, non-violent disputes to large-scale war between nations, conflictis a central element of social life and has captivated the collective consciousnessfor millennia. In the fifth century B.C., Greek philosopher Heraclitus famouslyargued that “war is the father and king of all” and that conflict and strife betweenopposites maintains the world (Graham,2019). Many…