Researchers Harvest Energy From Planes
Blog 4/30/2013 23 comments A team of Viennese researchers has come up with a way to harvest energy from airplanes to power sensors attached to a plane’s fuselage that can be used to monitor and collect data on aircraft structural health.
What's the Frequency, Kenneth?
Sherlock Ohms 4/22/2013 10 comments It was OK when a radio station ran a tad above frequency limits. But when other radio operators in the area used the station's frequency as a base, things could get crazy.
Hannover Highlights Industry 4.0
Blog 4/19/2013 11 comments The buzz at the recent Hannover Messe 2013 centered on a German industry initiative called “Industry 4.0” that automation suppliers believe will lead to increasing digitization, networking, and an ability for manufacturers to leverage productivity advances.
Screws Mess With Filter Design
Sherlock Ohms 4/18/2013 3 comments The filter had more rejection at the low end than at the high end since the equivalent capacitance coupling did not provide a transmission at high frequencies.
Video: Man-Sized Jellyfish Robot to Patrol the Seas
Blog 4/16/2013 16 comments Engineers at Virginia Tech have built a jellyfish robot prototype the size of an adult man they say will one day patrol the seas to monitor environmental conditions, study aquatic life, make maps of the ocean's floors, and perform military surveillance.
The Least-Obvious Signals Sometimes Bite You
Sherlock Ohms 4/15/2013 4 comments When is a digital circuit not a digital circuit? When somebody forgot that ultimately everything is an analog circuit, and things like L, R, and C combine in the most insidious ways to derail a design.
Artificially created metamaterials are already appearing in niche applications like electronics, communications, and defense, says a new report from Lux Research. How quickly they become mainstream depends on cost-effective manufacturing methods, which will include additive manufacturing.
Sharon Glotzer and David Pine are hoping to create the first liquid hard drive with liquid nanoparticles that can store 1TB per teaspoon. They aren't the first to find potential data stores, as Harvard researchers have stored 700 TB inside a gram of DNA.
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