Jan. 9 (UPI) --Researchers say that a hysteresis loop explains why vaccination rates for some diseases continue fall, even after health officials declare vaccines safe, a new study says. Past concerns ...

SEVERAL investigators have shown that the behaviour of rubber is affected appreciably by its previous stress-strain history. Their observations, in the main however, are based on indirect measurements ...

Ferroelectric hysteresis loop (left) and magnetic hysteresis loop (right) measured at room temperature indicate the coexistence of ferroelectricity and ferromagnetism. Disclaimer: AAAS and EurekAlert!

Thixotropy is a decrease in the apparent viscosity under shearing, followed by a gradual recovery when the shear is removed. The effect is time dependent. If the viscosity reduces and immediately ...