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10-Minute Tech Talk: Advanced Circuit Protection Solutions

As integrated circuits become smaller in size, they also become more susceptible to ESD, and the decreasing size and increasing frequency can increase emissions. Learn how ZnO Varistors, TVS Diodes and ESD Safe Capacitors can protect your new design.

Posted in: Tech Talks

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Standing Still May Improve Antennas That Scan in All Directions

Amin Momeni illuminates the antenna-testing chamber while Nader Behdad installs a phased-array antenna. The flat surface consists of multiple precisely-positioned elements that convert spherical radio signals into single-column beams. (Photo: Stephanie Precourt) Antennas often need to trace circles in the sky. For example, radar arrays atop air-traffic control towers rotate to sweep signals in all directions. But spinning large objects nonstop takes a lot of time and mechanical energy. So scanning from a stationary position could speed up long-range detection and communications. Now, with support from a $1.1 million grant from the U.S. Office of Naval Research, University of Wisconsin–Madison electrical engineers are working out a new strategy to create antennas that spin their beams in circles while the devices stand still. 

Posted in: News

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Alternative Found for Nuclear Weapon Detection

Hongxing Jiang One of the most critical issues the United States faces today is preventing terrorists from smuggling nuclear weapons into its ports. To this end, the U.S. Security and Accountability for Every Port Act mandates all overseas cargo containers be scanned for possible nuclear materials or weapons. Detecting neutron signals is an effective method to identify nuclear weapons and special nuclear materials. Helium-3 gas is used within detectors deployed in ports for this purpose.

Posted in: News

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Shrinking the Inside of an Explosion

Novel small-scale device on a benchtop has highly sophisticated optical diagnostics enabling investigators to see what is happening during the millionth of a second the charge is exploding, with unprecedented accuracy. (Credit: Bassett/Dlott) Testing explosions is epic science. The most detailed studies of explosive charges have been conducted at national laboratories using a gun as big as a room to fire a flat bullet – the flyer plate, typically 100 millimeters in diameter – into an explosive charge inside a thick-walled chamber that contains the fierce blast. The tests require enormous facilities.

Posted in: News

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Advanced Spray-On Material Repels Water

A new spray-on material from engineers at The Australian National University (ANU) offers a more robust waterproofing capability than previous coatings. Combining two plastics, one tough and one flexible, the invention could eventually be used to protect mobile phones, de-ice airplane parts, or keep boat hulls from corroding.

Posted in: News

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Expedition Z: A Unique Engineering and Design Competition

NASA sent 120 HP ZBook Workstations with Intel® Xeon® Processors to the International Space Station to help push the boundaries of science and discovery.

Posted in: On-Demand Webinars

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Force Sensors in Robotic Design

From the operating room to the manufacturing floor, the robotic industry continues to grow and mature. As demand for robotic devices increases, so do the technology requirements.

Posted in: White Papers, Machinery & Automation, Robotics, Data Acquisition, Sensors, Test & Measurement

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