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Solar Heater? Plz help me with the design?

Give me the simple design of solar heater for my school project. Anything .. like Coca Cola can with black paint (to trap heat), etc. ..

Use a metal container to reflect light parabolic sun in an object that is placed in the center. Should be similar to a satellite dish, but instead of the feed horn in the center, place the object you want the heat in the center, which forms most of the sunlight is reflected and absorbed in the object.

Simple Cute Nail Design For Short Nails Using China Glaze Polishes

Smart Solar 4131WRM1 Pro Design 40 LED Solar Security Light with Pir Sensor And Variable Settings $79.95 The 40 LED Pro Design Solar Motion security light provides bright light and added security around the house and yard. The 40 LEDS will illuminate when the motion sensor is triggered. Solar panel can be used remotely so light can even be placed in the shade….

ATD-3725 Solar Powered Auto-Darkening Welding Helmet $152.90 Solar powered auto-darkening welding….

TCPglobal Brand Solar Power Auto-Darkening Welding Helmet Model #221 with Fire Flames Design $49.98 When welding arc stops the lens returns to the light state allowing you to see your project without having to lift your helmet up and down after each weld! Darkness sensitivity control knob on the inside from DIN9-13#, plus a time delay switch to control switching time from darkness to light depending on your welding process. At just over 1 lb., this Light Weight Composite Body Helmet will provide…

Lakeside- Original Artist Track Listings 1. Intro [Live] 2. Outrageous [Live] 3. Raid [Live] 4. Make My Day [Live] 5. Hello 6. All the Way Live [Live] 7. Say Yes [Live] 8. Real Love [Live] 9. Something About That Woman [Live] 10. I Want to Hold Your Hand [Live] 11. Fantastic Voyage [Live]…

Sharp EL-377TB 10-Digit with Puncuation Twin Power/Glass Top Design Calculator $4.00 Display Digits 10. Digit Size 10mm. Angled Display. Memory 3-Key. +/- Switch Key. Size 2-13/16″Wx4-9/16″D. Battery/Solar Powered. Replacement Batteries DURD389/390PK (sold separately). Compact, economical calculator with power-saving LCD display. Glass top design with metallic paint finish. Operating battery included….