Particles at the quantum scale seem to do things that human-scale objects do not do. They can tun­nel through bar­ri­ers, spon­tan­eously arise or anni­hil­ate, and occupy dis­crete energy levels. This new body of research reveals that oil droplets, when guided by pilot waves, also exhib­it these quantum-like features.

via wired.com and quantamagazine.org