The fidelity of tone and clarity of crystal rectification are hard to beat. A crystal receiver is powered solely by the radio waves that it pulls from the air. It is, however, difficult to adjust, and it may take several attempts to find a proper razor blade for the detector. Oatmeal Crystal Set Project Complete plans for building a basic AM broadcast crystal set. These plans are excerpted from The Crystal Set Handbook, by Philip N. Anderson.
Most demonstrations incorrectly focus on friction.
Also, the nature of matter and the fundamental reasons for charge conservation are usually ignored. By William J. Beaty. If so, you've experienced firsthand the effects of static electricity. You get a shock. All Rights Reserved.