Cool yet so simple: just a long copper coil, some small strong (rare earth – generally neodymium) magnets, and an AA or AAA battery to create a very simple engine.
Cool yet so simple: just a long copper coil, some small strong (rare earth – generally neodymium) magnets, and an AA or AAA battery to create a very simple engine.
Since implementing this program I've really noticed how the students are improving.
Trent Perry, Teacher