NOVA The 100-Year-Old Idea That Could Change Flight Inspired by birds, bats, and the Wright brothers, engineers are building the next breakthrough in aviation. From NOVA Next | Feb 22, 2017 Key Brain Regions Found To Be Smaller in People With ADHD DX Engineering – Amateur Radio and Ham Radio Systems and Equipment, Antennas, Antenna Components & Station Accessories Don’t Be Left Out! Add Your Antenna to our Customer Showcase Be a DX Engineering Superstar! You put a lot of time and effort into designing and building your DX Engineering-equipped installation. So why not show the world what you have created? Enter Your Installation
Tutorials New! Getting Started with LTspice LTspice is a high performance SPICE simulator, schematic capture and waveform viewer with an impressive library of passive devices. The Science Creative Quarterly & A DIALOGUE WITH SARAH, AGED 3: IN WHICH IT IS SHOWN THAT IF YOUR DAD IS A CHEMISTRY PROFESSOR, ASKING "WHY" CAN BE DANGEROUS SARAH: Daddy, were you in the shower? DAD: Yes, I was in the shower. SARAH: Why? DAD: I was dirty.
Amateur radio An example of an amateur radio station with four transceivers, amplifiers, and a computer for logging and for digital modes. On the wall are examples of various awards, certificates, and a reception report card (QSL card) from a foreign amateur station. Amateur radio (also called ham radio) is the use of designated radio frequency spectra for purposes of private recreation, non-commercial exchange of messages, wireless experimentation, self-training, and emergency communication. The term "amateur" is used to specify persons interested in radio technique solely with a personal aim and without direct monetary or other similar reward, and to differentiate it from commercial broadcasting, public safety (such as police and fire), or professional two-way radio services (such as maritime, aviation, taxis, etc.).
The Ard-Vark by Kerwin Lumpkins The Ard-Vark is a basic electronics box that can be remotely controlled by an app on your iPhone, iPad or Android phone. It is Arduino compatible. Have you ever wanted to build a project that needed electronics but you didn't know how to start? Would you like to add motion to one of your creations, and be able to control it with your phone or tablet and not have to learn electronics, soldering, programming and a few hundred other things?
How to Remove Trovi / Conduit / Search Protect Browser Hijack Malware If your computer has been hijacked with an obnoxious malware that won’t let you change your home page, there’s a strong chance you’ve been infected with the Trovi Search Protect malware, which used to be known as Conduit. Here’s how to remove it. How do you know this is malware? Instead of installing like it should, as a Google Chrome Extension, you’ll probably see that your extensions list doesn’t mention Trovi or Conduit at all. Instead, they are hijacking the browser process using Windows API techniques that no legitimate application should be using. For more details on that, you can read our series on using Process Explorer to troubleshoot Windows.
Thingternet My Nest article got me thinking about smart metering. In my head, smart metering is all about energy efficient homes constantly connected to utility companies, controlling all my appliances to minimise my energy use. The reality is a bit different A few hundred thousand UK homes have had smart meters installed so far. The full roll-out will start in 2014 and should be complete by 2019. Earn points for savings on gift cards, name-brand merchandise and more with Rewards for Good SWEEPSTAKES RULES: NO PURCHASE NECESSARY. PURCHASE WILL NOT INCREASE YOUR CHANCES OF WINNING. Open to AARP account holders who are enrolled in the Rewards for Good Program, who are 50 U.S. Z code Z Code (like Q Code and X Code) is a set of codes used in CW, TTY and RTTY radio communication. Actually, there are different sets of Z-codes: one originally developed by Cable & Wireless Ltd., for commercial communications in the early days of wire and radio communications, another one independently developed by NATO forces later for military needs and use. The NATO Z Code is still in use today, and is published in the unclassified document ACP-131. There are other set of codes internally used by Russia's military and other operating agencies.