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."
if having sadistic TSA agents at the security checkpoint
rummage through our carry-on bags and peering through our clothes using
backscatter x-ray machines at the airport was
not enough, too often we are served up this little treat aloft.
& Measurement World's Martin Rowe has come up with yet another Top 16 dB hit, "Below
a Gigahertz." It asks the question, "Remember when 50-MHz clock signals were state-of-the-art?"
Put a 'New Face' on Engineering in 90 Seconds; 'How Engineers Make a World of Difference.' IEEE-USA Online
Video Scholarship Competition - $10,000 in total prizes. Due date Friday, January 18, 2008.
cable spinning machine in action. Run in RealPlayer if it will not appear in
made a circuit that drives the X-Y-Z axes of an oscilloscope to generate an analog clock - quite the Lissajous
out of sci-fi, this Active Denial System
uses directed microwaves to make the perps feel like their skin is on fire, while not causing any damage (skin
penetration is only 1/64"). See videos
bottom of page. AP reporter Elliot Minor volunteers.
is a case of extreme resonance with constructive interference that is destructive. This man breaks a glass
with voice. The fatal "blow" is 566 Hz at 105 decibels.
"Steve the Slacker." This is actually a Toshiba notebook computer advertisement, but it is a scenario straight
out of Dilbert.
maybe it is as bad as being forced to watch home movies, but here is a short clip of my e-powered RC
airplane. Here is a clip of the
ESC waveform for the brushless motor.
concept of a Space Elevator
has been around for a while, but inept materials technology made it unachievable. Carbon nanotube advances are
about to change that. Here is a clip of a contest held for the first competition for working
you and I purposely avoid those painful arcs that come from our fingertips as we touch a doorknob or car door
on a cold, low-humidity day, this dude cannot get enough of it. He even likes to light things on fire with
arcs from his fingertips.
field simulation of cell phone near human head. It gives you that warm, fuzzy feeling - or is that the
microwaves? Courtesy Technische Universitat Darmstadt.