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Category: Computer Engineering

What’s the Difference Between RMS and Peak Watts?

In the consumer electronics world, you will often hear about watts, power handling, and power output.  The terms are used interchangeably to refer to two values, that is, root mean square (RMS) and peak power rating. Power rating is among the essential factors that contribute to an ideal sound system. It is, therefore, important to know what these two values refer to whether you’re searching for speakers, amplifiers, or subwoofers. When looking to build a high-performance entertainment system, most people…

What is an endangered species? — ScienceDaily

Lions and leopards are endangered species. Robins and raccoons clearly are not. The distinction seems simple until one ponders a question such as: How many lions would there have to be and how many of their former haunts would they have to inhabit before we’d agree they are no longer endangered? To put a fine point on it, what is an endangered species? The quick answer: An endangered species is at risk of extinction. Fine, except questions about risk always…

New Approaches to Design as Important as New Tools

As part of Machine Design’s 90th anniversary issue in January, we’ve asked industry experts to take a look at the present and future of technology and how it will impact the design and operation of manufacturing over the next decade. Q: What products do you see that are currently solving design engineers’ problems? Frattarola: Design and manufacturing simulation tools continue to improve each year, enabling designers to model their products and test them within a virtual environment. This has greatly…

Metamaterials Boost MRI Performance without Increased Magnetic Field

It’s easy to trivialize the need for a fuse and how to select one. We have all been annoyed or exasperated by a blown fuse. Sometimes we wish there was no such component needed for our circuits. With the advent of electrical distribution in the 1800s, fuses became an essential device in preventing fires. Electrical systems need them for the same reason. Electronic systems have the same fire concerns and they need fuses as well (Fig. 1). Fuses will also…

Human fetal lungs harbor a microbiome signature — ScienceDaily

The lungs and placentas of fetuses in the womb — as young as 11 weeks after conception — already show a bacterial microbiome signature, which suggests that bacteria may colonize the lungs well before birth. This first-time finding deepens the mystery of how the microbes or microbial products reach those organs before birth and what role they play in normal lung and immune system development. A team led by University of Alabama at Birmingham researcher Charitharth Vivek Lal, M.D., found…

Edible ‘security tag’ to protect drugs from counterfeit — ScienceDaily

Manufacturing prescription drugs with distinct markings, colors, shapes or packaging isn’t enough to protect them from counterfeiting, U.S. Drug Enforcement Administration reports have shown. Purdue University researchers are aiming to stump counterfeiters with an edible “security tag” embedded into medicine. To imitate the drug, a counterfeiter would have to uncrack a complicated puzzle of patterns not fully visible to the naked eye. Fake medicine is a thriving business, making up at least 10% of global pharmaceutical commerce while also claiming…

Better Tools, 3D Materials Are Improving Design

As part of Machine Design’s 90th anniversary issue in January, we’ve asked industry experts to take a look at the present and future of technology and how it will impact the design and operation of manufacturing over the next decade. Q: What products do you see that are currently solving design engineers’ problems? Frattarola: Design and manufacturing simulation tools continue to improve each year, enabling designers to model their products and test them within a virtual environment. This has greatly…

Stuck in the Middle: How to Choose Your Next Bandpass Filter

Bandpass filters are used in both wired and wireless communications systems, sensor applications, instrumentation, medical applications, and many others. When it comes to these types of applications, the goal is to pass signals of interest from point A to point B, while reducing noise and unwanted radiation from the signal source, other equipment, and the environment. Often different bandpass filters can be combined in a switched filter bank (see figure) that integrate the filters and switches, thereby providing better insertion…

Internships Prepare IT Grad for Employment

One of the MU Engineering students who crossed the stage during commencement ceremonies at the Hearnes Center Dec. 13 started work as a full-time employee at Shelter Insurance in Columbia less than a month later. M. Andrew Kammerich earned dual degrees in information technology (IT) and digital storytelling from MU and says the combination is a perfect fit for his new role as a user experience (UX) designer for Shelter Insurance. “I’m interested in more than how a website looks,…

Announcing the Cloudflare Access App Launch

Every person joining your team has the same question on Day One: how do I find and connect to the applications I need to do my job? Since launch, Cloudflare Access has helped improve how users connect to those applications. When you protect an application with Access, users never have to connect to a private network and never have to deal with a clunky VPN client. Instead, they reach on-premise apps as if they were SaaS tools. Behind the scenes,…