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Solar thermal collectors: A solar thermal collector collects heat by absorbing sunlight. The term "solar collector" commonly refers to solar hot water panels, but may refer to installations such as solar parabolic troughs and solar towers; or basic installations such as solar air heaters. Solar power plants usually use the more complex collectors to generate electricity. Simple collectors are typically used in residential and commercial buildings for space heating.

What is a tundra? The Tundra was formed 10,000 years ago. Located near the North Pole, the tundra is a vast and treeless land which covers about 20% of the Earth's surface. It is usually very...

How to make a solar panel for Children is a great question. Do your kids like science? Do they like to learn cool and interesting facts about...

Luz natural. Tema central de la obra de Alberto Campos Baeza. Tesis de Master "Integracion de energias renovables en arquitectura" UPC, España