solar oven
51Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… …
52Énergie solaire — Rayonnement solaire direct Répartition de l énergie solaire reçue au sol …
53Kitchen — For other uses, see Kitchen (disambiguation). A modern Western kitchen A kitchen is a room or part of a room used for cooking and food preparation. In the West, a modern residential kitchen is typically equipped with a stove, a sink with hot and… …
54Solarkocher — Prinzip Ein Solarkocher ist eine Vorrichtung, um aus der Energie des Sonnenlichtes Wärme zu erzeugen. Die Sonneneinstrahlung wird im Brennpunkt eines Hohlspiegels gebündelt. Inhaltsverzeichnis …
55Convection — This figure shows a calculation for thermal convection in the Earth s mantle. Colors closer to red are hot areas and colors closer to blue are cold areas. A hot, less dense lower boundary layer sends plumes of hot material upwards, and likewise,… …
56Sharp Corporation — Infobox Company company name = Sharp Corporation シャープ株式会社 company type = Corporation (tyo|6753, LuxSE|SRP) company foundation = Tokyo, Japan (1912) location city = flagicon|JPN Osaka location country = Japan key people = Mikio Katayama, President …
57Self-replicating machine — A self replicating machine is an artificial construct that is theoretically capable of autonomously manufacturing a copy of itself using raw materials taken from its environment. The concept of self replicating machines has been advanced and… …
58Microwave transmission — The atmospheric attenuation of microwaves in dry air with a precipitable water vapor level of 0.001 mm. The downward spikes in the graph correspond to frequencies at which microwaves are absorbed more strongly, such as by oxygen molecules… …
59Moon in fiction — This article is about the Moon as the subject of and inspiration for creative works. For the Moon in mythology and religion, see Moon (mythology). The moon on the coat of arms of Grabow, Germany. The Moon has been the subject of many works of art …
60Golden hat — Golden hats (or Gold hats) (German: Goldhüte , singular: Goldhut ) are a very specific and rare type of archaeological artefact from Bronze Age Central Europe. So far, four such objects ( cone shaped gold hats of the Schifferstadt type ) are… …
