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.

Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi’an 710069, China Key Laboratory of ...

No satisfactory explanation of the fatigue mechanism of metals has yet been advanced. The generally accepted idea involving work-hardening and subsequent ‘brittle’ fracture cannot be ...

Department of Chemistry, DST Unit of Nanoscience (DST UNS) and Thematic Unit of Excellence (TUE), Indian Institute of Technology Madras, Chennai 600036, India ...

Copper IUDs (intrauterine devices) are a safe and effective type of birth control. It works by preventing sperm from fertilizing any eggs. Learn more about how to determine whether it’s right ...

A sulfite allergy is caused by exposure to sulfur-based compounds naturally found in certain foods and used in certain food preservatives and additives. This can lead to allergy symptoms like wheezing ...

SANTIAGO, Jan 15 (Reuters) - Chile, the world's No. 1 copper producer, will boost its output of the red metal to 5.54 million metric tons in 2034, representing a 5.6% increase from 2023 ...

LONDON, Jan 14 (Reuters) - Doctor Copper has started 2025 with a spring in his step after a year when the early bull party was followed by a prolonged hangover. The London Metal Exchange three ...

🔆 materials I used : beads : 6mm ( can use sphere or abacus crystal) Soft copper wire 20 gauge ( wire diameter 0.8mm ) : about 80cm ( about 32 inch) Joe Biden Called Pentagon Four Times Over ...

materials I used : beads : 4mm ( abacus crystal) Soft copper wire 20 gauge ( wire diameter 0.8mm ) : 100cm ( 40 inch) Timestamp 00:00 Preview, Materials and Tools 00:37 knot wire 03:25 finish 05: ...

Presley Ann/Getty Actor Billy Crystal might be known forever to many as Harry from the 1989 film When Harry Met Sally, but to Jennifer Crystal Foley and Lindsay Crystal, he’s always been Dad.