Solar radiation that arrives in a straight line from the sun.

The heat produced by sources of heat in a building (occupants, appliances, lighting, etc).

A type of solar thermal system where air is heated in a collector and either transferred directly to the interior space or to a storage medium, such as a rock bin.

(DIP) Enables companies to deliver price sensitive announcements electronically to the London Stock.

A large plastic constant-level balloon for duration flying at very high altitudes.

The tendency of a boat to move sideways in the water instead of along its heading due to the motion of currents or currents.

A short period at the turn of the tide. The time between flood and ebb tides when there is no current flow.

Blower.

In reference to a wind energy conversion device, the ratio of rotor blade surface area to the frontal, swept area that the rotor passes through.

Anything that is straightforward and easy.

The piston only compresses air with its stroke in one direction.

The period marked by successive crossing of the earth's meridian by the sun; the hour angle of the sun at a point of observance (apparent time) is corrected to true (solar) time by taking into account the variation in the earth's orbit and rate of rotatio ...

The period following the dividend declaration date to the date of record during which a stockholder.

See "Overland Common Points."

A term used for materials used to absorb and store solar energy.

A solar power station investigated by NASA that entailed a satellite in geosynchronous orbit that would consist of a very large array of solar photovoltaic modules that would convert solar generated electricity to microwaves and beam them to a fixed point ...

See: 'irredeemable.

A situation in futures trading where the future delivery price is greater than the cash or nearby.

The mechanical power required to compress polytropically and to deliver, through the specified range of pressures, the gas delivered by the compressor.

Old term for the boat used by the captain to go ashore.