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LITHO Finding Fish by James Christensen HAND COLORED PRINT

LITHO Finding Fish by James Christensen HAND COLORED PRINT by James Christensen is a(n) Limited Edition. The Edition is Limited to Limited Edition of 150 pcs




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The Creators Messenger

The Creators Messenger by Kitty Cantrell is a(n) Limited Edition. The Edition is Limited to limited to 500 pcs




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The Creators Messenger

The Creators Messenger by Kitty Cantrell is a(n) Limited Edition. The Edition is Limited to Artist Proof of 50 pcs




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THE SENTRY LIMITED EDITION PRINT

THE SENTRY LIMITED EDITION PRINT by Jessica Holm is a(n) Limited Edition. The Edition is Limited to Limited to 550 pcs




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Scientists Design First Practical Light-Amplifying Crystal That Could Revolutionize Medical Sensors




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Maplesoft Presents Awards of Excellence to University of Birmingham Students

Maplesoft today announced that the 2017 Maplesoft Excellence Scholarship Awards are being presented to two graduate students from the University of Birmingham. The scholarships provide monetary assistance for three years to each student for their graduate studies. They were selected from a group of students that were instrumental in encouraging and contributing to the use of technology in various undergraduate courses at the university.




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Polígonos hiperbólicos regulares convexos y estrellados. Relaciones y representación

The worksheet shows a procedure for the representation in de Poincaré disc of convex and self-intersecting regular hyperbolic polygons.




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Polígonos hiperbólicos rectángulos regulares convexos y estrellados. Relaciones y representación

The worksheet shows a procedure for the representation in de Poincaré disc of regular right-angled, convex and star hyperbolic polygons.




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U.S. OKs $425 Million In More Weapons For Ukraine, As North Korea Sends Troops To Support Russia

The Biden administration has approved a new $425 million weapons aid package for Ukraine, which includes providing Kyiv with additional munitions, counter-drone equipment and Stryker vehicles.  The new security assistance […]




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ARKA Group Acquires Radar And Sensor Tech Unit From Maxar Intelligence

ARKA Group last Friday said it has acquired the Radar and Sensor Technology (RST) business from Maxar Intelligence , providing it with experts that support classified government sensor programs. Terms […]




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Trump Win, New Senate GOP Majority Set To Reshape Top Defense Committee Posts

In the wake of Donald Trump securing his second term as president, the GOP on election day also regained majority in the Senate with new leaders set to take over […]





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System Sensor: Duct Smoke Detectors

If space is a problem or to save time and money (up to 30 percent), monitor supply and return detectors from a single power board using InnovairFlex’s semi and fully distributed 2-to-1 sensor to power board capability.




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Kano Laboratories: Penetrating Oil Loosens Frozen Metal Parts

Based on scientific discoveries at Kano Laboratories, Kroil creeps into millionth inch spaces, dissolves rust and lubricates to loosen frozen metal parts. Kroil’s unique molecular structure creates an affinity to metal assuring swift penetration.




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Cambridge Engineering Adds New Sales Representative for Western Territory

Cambridge Engineering, a leading manufacturer of high temperature heating and ventilation (HTHV) direct-fired gas products for commercial spaces, announced that Steve Shaffer has returned to the company to lead its sales and marketing efforts in California, Nevada, and Arizona.




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Ken Goodrich Presents Second Veterans Tools Award to HVAC Student

Nick Hughes didn't know what career he wanted to pursue when he left the U.S. Navy three years ago. Now, he will soon graduate from the two-year applied science in air conditioning technology program at the College of Southern Nevada (CSN) as the recipient of the Post 9/11 Veterans Tools Award.




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General Filters Presents Soaring Eagle Award to Mid-Atlantic Sales

General Filters' Soaring Eagle Award honors the sales agency that best represents the company in terms of sales revenue, sales growth, and new product sales.




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Senseair: Gas Sensor

Senseair has developed "Sunlight R290," a gas sensor featuring high measurement accuracy and operating range, while minimizing heat generation, packaging space, and power consumption.




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CEO of SENSIT Technologies Wins Business Worldwide Magazine Award

The CEO awards program seeks to honor C-level executives from around the world and across multiple industries, focusing on the personalities who drive successful corporations and organizations.




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Making Sense of Compressor Frost Patterns

Any compressor that gets too hot or is overheated is subject to premature wear between its internal moving parts.




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AMCA to Present Free Webinars on Air-System Engineering, Technology

AMCA will launch the Air System Engineering and Technology (ASET) series of free webinars on topics impacting air systems in buildings.




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Sensibo Air Pro Wins Time Magazine Best Invention Honors

Sensibo produces smart heating and cooling devices and IAQ monitoring products, allowing users to control their heating and cooling equipment with artificial intelligence, data, and sensors, while taking advantage of air quality data to optimize equipment use and reduce energy consumption.




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2024 Top Women in HVAC: Thomasena Philen

I love fixing things. I always have. But what is super exciting to me is the frontier. This field is changing daily, and new technology is everywhere.




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HVACR Technology and the Five Senses

How do refrigeration products continue to spread through everyday life, and what could be in store for the grocery sector in particular?




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Cruz Leads Senate Effort to Shut Down Furnace Rule

The rule will effectively ban the sale of non-condensing gas furnaces and, according to the American Gas Association (AGA), will affect 55% of U.S. households.





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U.S. House of Representatives Push Back on Further Regulation Attempts

Republicans in the U.S. House of Representatives are pushing back on attempts to regulate consumer appliances.




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Why Remote Startup for Variable Frequency Drives is Essential

Selecting a VFD that features remote startup can decrease the number of individuals needed onsite and provide valuable safety benefits.




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6 Essential Steps for Teaching CO₂ Refrigeration

CO2 refrigeration systems demand both classroom knowledge and hands-on experience, which is why blending theory with practice creates top-notch technicians.




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New Sensor Technology Leads to Better Presence Detection

New thermopile sensors save energy and increase safety when applied within the construction and property sectors.




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HiberSense Appoints Channel Sales Manager

HiberSense Inc. appointed Chris Lawson as channel sales manager for the U.S. market.




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Alea Labs Inc.: Sensor Register

This product replaces standard supply registers with sensor-equipped registers that automatically measure each room’s dynamic conditions and optimally balance air distribution throughout the home.




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HiberSense Inc.: Smart Control System

This climate control solution ensures balanced, room-by-room comfort throughout the home.




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Episode 56: Sensor Networks

In this episode we discuss sensor networks with our guest Steffen Schaefer, who is the Technical Thought Leader for Sensors & Actuator Solutions at IBM. The discussion resolves around the TREC device, which can be mounted on containers to track them on their journey over seas, railway tracks and roads. The TREC is a small embedded device developed by Steffen's employer, IBM, that has various sensors and communications channels.

In the episode we first talked about container transport in general, and then looked at how the TREC device works - specifically, it's hardware, software and power management. We then looked at the necessary backend infrastructure. The main part of the discussion covered the communication between the device and the backend, using technologies such as Zigby, GSM and satellite communications. We also looked at the middleware infrastructures used, such as the MQtt messaging tool.

We closed the episode with a little discussion of the "Internet of Things" and some discussion about embedded software devleopment in general. Note that SE Radio will feature more embedded topics in the future - an introduction to embedded development will be put online soon.




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Episode 136: Past Present and Future of MDA with David Frankel

In this episode, Dirk talks with David Frankel, resident Metamodeller and MDA expert at SAP Labs LLC, SAP's subsidiary in the Silicon Valley. Dave's extensive experience provides a big picture, from the early days of CORBA all the way to current issues that are bugging most enterprise architects' work with MDA.




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SE-Radio Episode 241: Kyle Kingsbury on Consensus in Distributed Systems




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SE-Radio Episode 315: Jeroen Janssens on Tools for Data Science

Felienne interviews Jeroen Janssens about data science, examining the basic concepts, as well as the skills and tools needed to be(come) a data scientist.




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SE-Radio 341: Michael Hausenblas on Container Networking

Michael Hausenblas talks with host Kim Carter about topics covered in Michael’s ebook Container Networking, such as single vs. multi-host container networking, orchestration, Kubernetes, service discovery, and many more. Michael and Kim also discuss the roles that IPTables plays, how the allocation of IP addresses is handled, along with the assignment of ports. Overlay networks are covered along with topics such as the open Container Network Interface (CNI).




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Episode 377: Heidi Howard on Distributed Consensus

Heidi Howard, a researcher in the field of distributed systems, discusses distributed consensus. Heidi explains when we need it, when we don't need and the algorithms we use to achieve it.




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Episode 427: Sven Schleier and Jeroen Willemsen on Mobile Application Security

Sven Schleier and Jeroen Willemsen from the OWASP Mobile Application Security Verification Standard and Testing Guide project discuss mobile application security and how the verification standard and testing guide can be used to improve your app’s...




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Edpisode 515: Swizec Teller on Becoming a Senior Engineer

This week, senior software engineer, instructor, and blogger Swizec Teller spoke with SE Radio's Brijesh Ammanath about the "senior mindset." Becoming a senior engineer is about more than just years of experience but rather about cultivating a different..




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SE Radio 604: Karl Wiegers and Candase Hokanson on Software Requirements Essentials

Karl Wiegers, Principal Consultant with Process Impact and author of 14 books, and Candase Hokanson, Business Architect and PMI-Agile Certified Practitioner at ArgonDigital, speak with SE Radio host Gavin Henry about software requirements essentials. They explore five different parts of requirements engineering and how you can apply them to any ongoing project. Wiegers and Hokanson describe why requirements constantly change, how you can test that you're meeting them, and why the tools you have at hand are suitable to start straight away. They discuss the need for requirements in every software project and provide recommendations on how to gather, analyze, validate, and manage those requirements. Candase and Karl offer in-depth perspectives on a range of topics, including how to elicit requirements, speak with users, get to the source of the business or user goal, and create requirement sets, models, prototypes, and baselines. Finally, they look at specifications you can use, and how to validate, test, and verify them. Brought to you by IEEE Computer Society and IEEE Software magazine.




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SE Radio 607: John Frandsen on Geospatial Technologies

John Frandsen, Chief Product officer for Elebase, joins host Jeff Doolittle for an exploration of geospatial technologies. The conversation begins with a discussion of the history of mapping and global information systems (GIS) technologies. John describes the underlying technologies used in location-aware applications and the ways that developers can incorporate maps in their own applications. The conversation also highlights recent changes and innovations in the space, as well as the challenges and opportunities of incorporating your own data into existing base map providers. This episode is sponsored by WorkOS.




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Playing games often gives children a sense of pleasure



  • Editing & Writing Topics

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"sick of sb Ving": a gerund or present participle?



  • Ask a Teacher

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The essentials of automation applied to distribution systems via PLCs, SCADA, IEDs, and RTUs

Nowadays, it seems that everything we do tends to be somehow automated. The very same is happening in electrical distribution systems. The distribution system at the medium voltage (MV) or low voltage (LV) levels is designed using different structures such... Read more

The post The essentials of automation applied to distribution systems via PLCs, SCADA, IEDs, and RTUs appeared first on EEP - Electrical Engineering Portal.




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The essential HV/EHV substation auxiliary facilities you should know about

Nowadays, HV/EHV substations have become pretty complex from the design point of view. Besides the main electrical equipment, which must be designed and selected correctly, there are several auxiliary facilities without which a substation would not be able to operate... Read more

The post The essential HV/EHV substation auxiliary facilities you should know about appeared first on EEP - Electrical Engineering Portal.




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Voltage Drop Analysis and Calculation Essentials (MS Excel Sheet Bonus)

A voltage drop is the total amount of voltage loss that happens through all or part of an electric circuit due to impedance and other factors. The more the voltage drops in the system, the more negative impacts will likely... Read more

The post Voltage Drop Analysis and Calculation Essentials (MS Excel Sheet Bonus) appeared first on EEP - Electrical Engineering Portal.