D+5+32 | Plexiglas model of electromagnetic wave. | 2015-03-05 |
D+5+32 | Plexiglas model of electromagnetic wave. | 2015-03-31 |
E+25+15 | Laser beam through various slit and grating combinations. | 2015-03-31 |
E+30+30 | Large lens shows chromatic aberration on screen using arc lamp. | 2015-03-12 |
D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2015-02-19 |
D+30+6 | Iron filings and permanent magnets to show field on an OHP. | 2015-02-19 |
D+30+30 | Force on current carrying wire in a magnetic field | 2015-02-12 |
E+45+25 | Commercial Polaroid filters on an OHP. | 2015-03-05 |
E+40+5 | Blackboard optics: Light sources with plane and curved mirrors. | 2015-03-12 |
D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2015-01-20 |