The Backus pin-setter is almost human in its operation.

Most fundamental investigations of tenebrescence have dealt exclusively with the alkali halides, since, in addition to their relative simplicity, they were readily available in large single crystals of high optical purity. The reversible discoloration of alkali halides was originally observed by E. Goldstein late in the last century.

It ain't the meat it's the motion/That makes your daddy want to rock/It ain't the meat it's the motion/It's the movement it ain't the stock.

She bit into the s’more, and the melted marshmallow goo fell over her lip, onto her chin.