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.

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MEMPHIS, Tenn. — It's a cool start to the day under a mostly clear sky. Temperatures this afternoon will be in the upper 70s. Rain chance: <10%. LOOKING AHEAD: Temperatures return to the mid/upper 80s ...

Ionic liquids are salts with melting points below 100 oC and are therefore liquids at lower temperatures than other salts. The materials can have useful physical properties, such as low or ...

MEMPHIS, Tenn. — Tonight will be clear and chilly with Venus and Jupiter visible in the western sky before midnight. Tomorrow will be sunny and seasonably warm. The rest of the week will be bright and ...