Our Newest Labs, Activities & CoolStuff
A Visit to Isaac Newton's Home
When I visited England this summer, I had the opportunity to walk in Isaac Newton's footsteps at his birthplace, Woolsthorpe Manor.
It is a little tourist museum far from the major train stops. You will probably have to take a long taxi ride from the train station at Grantham, but it’s not so far from London [...]
Top 10 Demonstrations with Tuning ForksI have been using tuning forks in my classroom for 10 years, and in each of those years I have discovered several new tricks. I hope you can learn many of these from this publication. For a more complete treatment and my references, please see my article in “The Physics Teacher” March, 2013.
Color Me Excited, Seeing spectra in a whole new light [W/Video]
Teaching the spectra of visible light can be an engaging classroom activity. But, it’s always been challenging to find ways to go beyond simple passive demonstrations.
Hand-held diffraction “rainbow” foil (sometimes mounted in cardboard glasses) can be fun. But students often have difficulty even spotting the spectrum. “I can’t see it!” is the common complaint. And [...]
The Blue-Violet Laser
The wavelength you've been missing!
Take a look at the new blue-violet Laser, which produces wavelengths at 405 nm. Sure, it is a different color and that is always cool, but why use this over any other Laser?