911Non-stick cookware is commonly coated with a slippery synthetic material widely known by which popular brand name?
912Velcro fasteners work by using two strips of material that connect through what mechanism?
913A typical ballpoint pen dispenses ink onto paper mainly using what kind of mechanism at its tip?
914A vacuum, or thermos, flask keeps its contents hot or cold mainly by minimizing what?
915Polarized sunglasses lenses are specially designed mainly to reduce what visual effect?
916Barcode scanners typically read a barcode by directing light, often a laser, and detecting what?
917Bluetooth is a common short-range wireless technology that allows devices like headphones to communicate using what?
918In computing, what is generally considered the most basic unit of digital information?
919In standard computing terminology, a group of eight bits is generally referred to as what?
920In a computer system, which component is often referred to as the brain of the computer, carrying out instructions?
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