Parabolic reflectors are pretty handy devices. Whether you’re building a microwave antenna or a long-distance directional microphone, suitable commercial dishes aren’t that hard to come by.

Home Depot has announced a new line of white LED light bulbs under its EcoSmart brand. EcoSmart Universal Select Light Bulbs ...

This focussing effect is very strong with WAVELENGTHs less than the aperture of the reflector, making it particularly suitable for recording high frequency sounds such as birdsong. Schematic diagram ...

To me, this means a large parabolic reflector, a feed horn made of brass sheet, coat hanger wire, and at least for the initial experiments, an RTL-SDR dongle. I’ve done the calculations ...

It will be readily understood that this trough with its bent ribs and flat minors forms a perfect parabolic reflector, to which a cylindrical heater, as stated, may be attached for generating ...

Used in devices like solar heaters and parabolic reflectors, this application showcases the efficiency of parabolas in concentrating energy. Circular cones with parabolic cross-sections are ...

Swiss-based solar panel company Airlight Energy has partnered with IBM Research to use IBM's direct wam-water cooling design ...