A movable plate used to control air flow; in a wood stove or fireplace, used to control the amount and direction of air going to the fire.
A constant which describes the performance of a wind vane in response to a step change in wind direction. It is calculated from the relative amount of overshoot on two successive swings (half cycles) of a decaying oscillation. This specification is dimens ...
A brand of lightweight anchor. It has pivoting flukes that dig into the ground as tension is placed on the anchor.
A type of vertical-axis wind machine that has long, thin blades in the shape of loops connected to the top and bottom of the axle; often called an "eggbeater windmill."
The process by which events in the real world are translated into machine-readable signals.
Nautical slang for the spirit of the sea, usually in the form of a sea devil. Davy Jones's Locker is the bottom of the sea, the final resting place of sunken ships, articles lost or thrown overboard, and of men buried at sea.
The practice of buying shares in a potential target at the beginning of a trading day in the hope.
An order placed with a broker to purchase or sell stock, a commodity or financial instrument at.
In the simplest terms, the purchase and sale, or sale and purchase, of a security on the same.
The use of direct, diffuse, or reflected sunlight to provide supplemental lighting for building interiors.
Additional days which may be allowed by a company to a debtor over and above the due date for.