Portable Battery-less radio

Have you experienced brown out in your area without batteries or any power supply??
Beat this
a radio that uses no battery!!
believe it or not it works!!!

all pictures are from SCITOYS.com

Step 1 Materials

For this project you need:
~ A sturdy plastic bottle
~ About 50 feet of enamel coated magnet wire.
~ A Germanium diode.
~ A telephone handset.
~ A set of alligator jumpers.
~ About 50 to 100 feet of stranded insulated wire for an antenna.

Comments

[Eye Poker]

I wonder if this would work with a small pringles can? If the metal bottom of the can and foil inside wouldn't mess with it then it would be great to store the clips and other wires inside when not in use.

[C14ROCK1710042]

and also i havent seen your comments early cuz i didnt log in or even checked my email for a long time

[C14ROCK1710042]

sorry i had trouble editing it because it look so unarranged if i recopy it so i tried to retype it and add some extra things so i forgot to add credit to scitoys

[madhops0620]

haha it might just be me but im pretty sure its a BLACK out, not a BROWN out. I'm not really sure i wanna know what a brown out is haha

[kittrick]

A black out is when there is now power, a brown out is when there isn't enough voltage to power most electrical devices. Lights are simply dim instead of off.

[madhops0620]

oh haha ive never heard that term before

[deforge]

hahaha now you have! haha! speedracer rules..

[CameraBoy9]

thats terrible at least credit your work

[CameraBoy9]

let me refrase that credit the people whose work you stole

[Cryptonat]

I vote we remove this 'ible unless he gives the proper credit to the creators.

[Spedy]

You stole this from http://sci-toys.com/scitoys/scitoys/radio/radio.html

Don;t take other peoples work.

[urbosssez]

SHAME ON U C14ROCK1710042! btw take off those numbers they take too long to rite

[thewoodcarver]

Please give sci-toys credit for the whole crystal set ..pictures and all next time make one yourself then post it ....oh and to be nice sci-toys made a very nice crystal radio and you did a very nice job of taking credit for the work they did

[omnibot]

Ooohh .. did something like this ages ago. I almost forgetten it. Thanx.

[AndyGadget]

Nice Instructable. You don't mention the diode type numbers. Any germanium signal diode will do (OA90, OA91 etc are widely available) but OA45 should be best as it has the lowest forward voltage drop. If you want to duplicate the original crystal set, use a 'cat's whisker' (a springy bit of wire) and a piece of galena (a crystalline ore of lead) instead of the diode, and poke about until you get a signal. How about a ferrite core sliding into the bottle for fine tuning?

[threecheersfornick]

I've been wanting to do this for AGES. Thank you so much!

[Patrik]

An elegant, modern implementation of a classic radio design - very nice!