two-stage solar furnace
1Solar thermal energy — Solar thermal system for water heating in Santorini, Greece …
2Solar energy — is the light and radiant heat from the Sun that powers Earth s climate and weather and sustains life. Since ancient times it has been harnessed for human use through a range of technologies. Solar radiation along with secondary solar resources… …
3Solar cooker — A solar oven or solar cooker is a device which uses sunlight as its energy source. Because they use no fuel and they cost nothing to run, humanitarian organizations are promoting their use worldwide to help slow deforestation and desertification …
4environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
5space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …
6Micro combined heat and power — or micro CHP is an extension of the now well established idea of cogeneration to the single/multi family home or small office building. Contents 1 Overview 2 Micro CHP systems 3 Engine types and technologies …
7List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
8biblical literature — Introduction four bodies of written works: the Old Testament writings according to the Hebrew canon; intertestamental works, including the Old Testament Apocrypha; the New Testament writings; and the New Testament Apocrypha. The Old… …
9Thermal power station — Republika Power Plant, a thermal power station in Pernik, Bulgaria …
10List of Mobile Suit Gundam 00 mobile weapons — Mobile Suit Gundam 00 is the eleventh incarnation of the Gundam media franchise and features several mobile units. Contents 1 First season 1.1 Concept and development 1.2 Protagonists …
