|
 As 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.
10-21-2007
 Test &
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?"
10-26-2007
 Someone
made a circuit that drives the X-Y-Z axes of an oscilloscope to generate an analog
clock - quite the Lissajous figure!
9-22-2007
 Straight 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
 at bottom of page. AP reporter Elliot Minor volunteers.
9-28-2007
 OK, 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.
8-24-2007
 The 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
climbing platforms.
8-31-2007
 Help 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.
1-4-2007
 Here 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.
10-5-2007
 Electromagnetic field simulation of cell phone near human head. It
gives you that warm, fuzzy feeling - or is that the microwaves? Courtesy
Technische Universitat Darmstadt.
9-14-2007
|
This archive links to the many video and audio files
that have
been featured on RF Cafe.
