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also need to recognize that students are different. In
l950--OK, I'm giving it away--when I was in high school--I
don't believe instruction in the sciences was any better,
BUT many of the students had spent time working with an old
car (mechanical and electrical training) or working on a
HI-FI (circuits and electronics). Now everything is on a
microchip and nobody has to look at wires. Modern
electronics, particularly the digital kind, is not very
helpful because it has gotten separated from the physical
science. You put a 3-volt pulse in here and an amplified
pulse comes out here is not very much related to physics.
If we are going to develop a feeling for how a physical
system behaves; how the principles of physics determine its
behavior; and how to model it mathematically, we will need
to do a lot of basic work which is not easy. WBN