Last year, Ark sent me a whole batch of their rods, from budget options all the way up to their top performer—the Reinforcer. I’ve been testing it ever since and have been extremely impressed ...

Extinction is unpleasant. Extinction, in behavioral parlance, refers to a situation where a reinforcer is no longer available. The coke machine that won’t deliver, the Chinese restaurant that ...

Scientists from the National University of Science and Technology "MISIS" have tested experimental composite materials for aircraft brakes, developed by PJSC Aviation Corporation "Rubin". New ...