links for 2009-11-15

November 16, 2009
  • <pre>
    Magnetism:
    Electromagnetism:
    An electric motor in 10 minutes
    Fun with High Voltage
    A 10 minute railgun
    A 30 second motor
    Listening to magnetism
    Electrochemistry:
    A plastic hydrogen bomb
    Building your own solar battery
    Building a Hydrogen Fuel Cell
    Homemade Batteries
    Collecting Chemical Elements
    Radio:
    A quick and simple radio
    Building a radio in 10 minutes
    Build a portable crystal radio
    A radio out of household items
    A simple AM transmitter
    The Three-Penny Radio
    Thermodynamics:
    Aerodynamics:
    A Bernoulli levitation ball
    A Homemade Vacuum Pump
    A Classic Propellor Toy
    Light and optics:
    Simple laser communicator
    Make a solar hotdog cooker
    A solar powered marshmallow roaster
    Biology:
    Extracting DNA in your kitchen
    Mathematics:
    Kaleidocycles
    A Geodesic Dome
    A Homemade Microgram Balance
    Computers and Electronics:
    A Computer Controlled Transmitter
    A Free Space Laser Data Transmitter
    Fun With Solderless Breadboards
    A Simple 1 Watt Amplifier
    </pre>
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