Chapter 3: Electrochemistry:
- Building a plastic hydrogen bomb.
- Electromachining, electroetching, and electroplating.
- Building your own solar battery.
Chapter 4: Radio:
- Building a quick and simple radio.
- Building a radio out of household implements.
- Building a radio transmitter in 10 minutes.
- Building a matching receiver and signal strength meter.
- Building a very simple AM voice transmitter.
- Going further:
- License-free radio frequencies.
- Getting an Amateur Radio license.
Chapter 5: Thermodynamics:
- Building simple heat engines.
- Hero's steam engine.
- A simple steam engine powered boat.
- A simple rotary steam engine.
- An engine driven by the heat of your hand.
- A bi-metal strip heat engine.
- A simple rocket engine you can build in your kitchen.
- Building a Film Can Cannon.
Chapter 6: Aerodynamics:
- Building a Bernoulli levitation ball.
Chapter 7: Light and optics:
- Quick and simple laser communicator.
- Improved laser communicator.
- Make your own 3D pictures in minutes.
- Building the impossible kaleidoscope.
- Building a simple spectroscope.
- How to video tape through a microscope.
- A high resolution spectrograph.
- Going further:
- Lasers and holography.
Chapter 8: Space science:
- Detecting meteors with an FM radio or television.
- Collecting micrometeorites in your backyard.
- Listening to Jupiter.
- Going further:
- Astronomy clubs.
- Building your own radio telescope.