My twerpy little brother is throwing books down the stairs.

Here, we combine this principle with elements of magnetoelastics, and show that optical excitation of pairs of infrared-active optical phonons can excite coherent spin waves in the rare-earth orthoferrite ErFeO_3.

Beat the white of one egg until stiff, add 1/2 of an eggshellful of cream and beat together well, add enough pulverized sugar to harden it so as to form in squares lay on pasteboard to harden.

The android turned to gaze at its animator.