Origin: or spin transport electronics. Spintronics. Spintronics, also known as magnetoelectronics, is an emerging technology exploiting both the intrinsic spin of the electron and its associated magnetic moment, in addition to its fundamental electronic charge, in solid-state devices.
Vitamin supplements are mostly a waste of money. Vitamin and mineral supplements used to live on one shelf in the pharmacy. Now there are whole emporia devoted to them. Vitamin and mineral supplements used to live on one shelf in the pharmacy. Now there are whole emporia devoted to them. Which tells you how Americans feel about the promise of finding health in a bottle.
Vitamins are VITA L MIN ERAL S and used by the body in a variety of ways. Here are the main ones. Vitamin A  Promotes healthy cell growth; used in cell division and specialisation throughout the body; and helps regulate the immune system. Poisonous if taken to excess. Beta Carotene  Converted into Vitamin A by the body. Commonly used in supplements instead of Vitamin A as excess is simply unconverted. Biotin  Uses: converts fats and carbohydrates into energy; synthesises hormones and cholesterol; helps control blood sugar levels. B Complex  a combination of most or all of the B Vitamins.