Liquid crystals are substances that flow like a liquid but maintain some of the ordered structure of crystals. Liquid-crystal molecules tend to be elongated and to orient in specific directions.
From a western Maryland farm girl to wartime physical therapist to late-in-life author, Esther Lang proves that creativity, curiosity, and purpose have no age limit.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results