A light rigid structure (of aluminum or other material ... suitable for recording high frequency sounds such as birdsong. Schematic diagram of a parabolic reflector. Incoming sound is directed to the ...

there’s nothing like cooking hot dogs and roasting marshmallows with a nice parabolic reflector. Of course covering an old satellite dish with mylar or aluminum tape doesn’t take much skill ...

EcoSmart Universal Select Light Bulbs feature adjustable brightness ... BR (bulged reflector), and PAR (parabolic aluminized ...

Parabolic reflectors for solar applications are nice stuff, and making your own is a great project in itself. One of the easiest ways we have seen is that of [GREENPOWERSCIENCE], who uses nothing ...