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2. Solar cooker - Wikipedia

   en.wikipedia.org/wiki/Solar_cooker

   Parabolic Solar Cooker. A solar cooker is a device which uses the energy of direct sunlight to heat, cook or pasteurize drink and other food materials. Many solar cookers currently in use are relatively inexpensive, low-tech devices, although some are as powerful or as expensive as traditional stoves, [1] and advanced, large scale solar cookers can cook for hundreds of people. [2]

3. Char-Broil - Wikipedia

   en.wikipedia.org/wiki/Char-Broil

   This series was, and still is exclusive to Lowe's [3] Char-Broil partnered with Thermal Engineering Corporation (TEC) to offer backyard chefs infrared technology and patented a new version of the TEC's infrared 100% cooking system, which led the company to a new series of grills and cookers in 2007 [7] They launched the Big Easy oil-less ...

4. Infrared heater - Wikipedia

   en.wikipedia.org/wiki/Infrared_heater

   Infrared heaters can be operated in vacuum or atmosphere. One classification of infrared heaters is by the wavelength bands of infrared emission. Short wave or near infrared for the range from 750 nm to 1.4 μm; these emitters are also named "bright" because still some visible light is emitted; Medium infrared for the range between 1.4 μm and ...

5. Thermosiphon - Wikipedia

   en.wikipedia.org/wiki/Thermosiphon

   Thermosyphon circulation in a simple solar water heater (not a working model; there is no water supply to replenish the tank when the tap is used). A thermosiphon (or thermosyphon) is a device that employs a method of passive heat exchange based on natural convection, which circulates a fluid without the necessity of a mechanical pump.

6. Solar energy - Wikipedia

   en.wikipedia.org/wiki/Solar_energy

   The spectrum of solar light at the Earth's surface is mostly spread across the visible and near-infrared ranges with a small part in the near-ultraviolet. [7] Most of the world's population live in areas with insolation levels of 150–300 watts/m 2 , or 3.5–7.0 kWh /m 2 per day.

7. Barbecue grill - Wikipedia

   en.wikipedia.org/wiki/Barbecue_grill

   Portable charcoal grills are small but convenient for traveling, picnicking, and camping. This one is loaded with lump charcoal. The legs fold up and lock onto the lid so it can be carried by the lid handle. The portable charcoal grill normally falls into either the brazier or kettle grill category. Some are rectangular in shape.