The top, phosphorus-doped layer contains more electrons, or negatively charged particles, than pure silicon does, while the bottom, boron-doped layer contains fewer electrons. This difference is ...

Celebrity hairstylists break down everything you need to know about the jellyfish haircut, from daily maintenance to long-term care.

The full-length tight is a bit of splurge for a base layer bottom, but testers argued that it’s a luxury purchase with best-in-class thermoregulation. In other words, you get what you pay for.