This collection of video and a few audio files represents files that have been featured on the RF
Cafe homepage. Every week or so a new file is added that should be of interest to RF Cafe visitors.
Please send me an
if you have
a good subject. Videos for Engineers formerly went
by the name "Cool Videos."
Tetris. Must be college students - who else would have the time (and ability)?
this amazing Star Wars X-Wing Fighter 1/2-size model rocket launch. The building skill is phenomenal. Skip to
about the middle to see just the launch.
to reliable witnesses, here is what really happened.
almost a shame that the Navy's electromagnetic railgun (EMRG) can fire projectiles at targets up to 200
nautical miles away. If the enemy could see this thing fire, they'd surrender immediately."
is a great practical demonstration of Lenz's Law. This is a fitting video for posting on Heinrich Lenz's
Tesla Coils played the Dance of the Sugar Plum Fairy at the Lawn Teslathon in Baraboo, WS. There are no
speakers; the music comes from the coils.
was on September 11, 1977 that David Bowie and Bing Crosby joined together at the Elstree Studios in London,
England. Crosby was there to tape what would prove to be his final Christmas TV special (he died on October
14, 1977 — 33 days after taping the duet) and he invited Bowie to appear as a guest star.
is an amazing piece of software that uses a light pen to allow the user to draw simple physical machines and
set them in motion according to physical laws. You will want one.
d'une Lampe Triode. Wow - thanks to Cornell for this! Here is a truly amazing video of a
master craftsman building a triode vacuum tube from raw materials - including shaping the glass, assembling
the electrodes and plates, pulling the vacuum, and finally plotting the transconductance. It nearly brought a
tear to my eye.
video that's worth a million words. This short film depicts the beauty of Möbius Transformations. The movie
demonstrates how moving to a higher dimension can make such transformations easier to understand.
National Laboratory's Willy Higinbotham created this precursor to "Pong" for “Visitor’s Day” in 1958. The
video shows the controllers and circuit board - complete with mechanical relays that cause the sound.
just can't help himself. Test & Measurement World's Martin Rowe has come up with yet another Top 16
dB* hit, "Electrical
Heroes." This tribute to Volta, Ampere, Hertz, et al, should not be missed. Here are the
dB = 40
brass sounder clacking out a Craigslist feed. This and other solenoids from the
Steampunk Workshop are true works of
art. If you appreciate a mix of technology and aesthetics, this is a must-see website.