Michael Kors discounts | fake Michael Kors 6671

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How Electromagnets Work

What do a wrecking yard, a rock concert and your front door have in common? They each use electromagnets, devices that create a magnetic field through the application of electricity. Wrecking yards employ
cheap Michael Kors outlet extremely powerful electromagnets to move heavy pieces of scrap metal or even entire cars from one place to another. Your favorite band uses electromagnets to amplify the sound coming out of its speakers. And when someone rings your doorbell, a tiny electromagnet pulls a metal clapper against a bell.

Mechanically, an electromagnet is pretty simple. It consists of a length of conductive wire, usually copper, wrapped around a piece of metal. Like Frankenstein’s
cheap michael kors monster, this seems like little more than a loose collection of parts until electricity comes
cheap Michael Kors into the picture. But you don’t have to wait for a storm to bring an electromagnet to life. A current is introduced, either from a battery or another source of electricity, and flows through the wire. This creates a magnetic field around the coiled wire, magnetizing the metal as if it were a permanent magnet. Electromagnets are useful because
Michael Kors outlet you can turn the magnet on and off by completing or interrupting the circuit, respectively.

Before we go too much farther, we should discuss how electromagnets differ from your run of
replica Michael Kors handbags the mill "permanent" magnets, like the ones holding your Popsicle art to the fridge. As you know, magnets have two poles, "north" and "south," and attract things made of steel, iron
cheap michael kors or some combination thereof. Like poles repel and opposites attract (ah, the intersection of romance and physics). For example, if you have two bar magnets with their ends marked "north" and "south," the north end of one magnet will attract the south end of the other. On the other hand, the north end of one magnet will repel the north end of the other (and similarly, south
Michael Kors handbag outlet will repel south). An electromagnet is the same way, except it is "temporary" the magnetic field only exists when electric current is flowing.

The doorbell is a good example of how electromagnets can be used in applications where permanent magnets just wouldn’t make any sense. When a guest pushes the button on your front door, the electronic circuitry inside the door bell closes an electrical loop, meaning the circuit is completed and "turned on." The closed circuit allows electricity to flow, creating a magnetic field and causing the clapper to become magnetized. The hardware of most doorbells consist of a metal bell and metal clapper that, when the magnetic charges causes them to clang together, you hear the chime inside and you can answer the door. The bell rings, the guest releases the button, the circuit opens and the doorbell stops its infernal ringing. This on demand magnetism is what makes the electromagnet so useful.

In this article, we’ll take a closer look at electromagnets and discover how these devices take some
Michael Kors handbags outlet pretty cool science and apply it to gizmos all around us that make our lives easier.Articles Connexes:

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Pimp Out Your Tailgate Party

Posted by Anthony Mowl in ALL, EQUIPMENT, STADIUM on 09-07-11    No Comments

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It was a long and miserable football-free spring and summer for me, but the season is finally here. I plan to attend a few NFL games this year, and tailgating is more than half of the experience for me. I like to arrive at the parking lots as soon as the gates open, and leave the game early to beat traffic if the game turns out to be a snooze-fest. The tailgate party makes the experience for me.

While most of my tailgating parties simply involve beer and liquor, with a side of potato salad, there is a whole lot of gear that you can bring along with you to create the ultimate tailgating experience. Satellite dishes, mobile wi-fi hot spots and flat screen TVs just scratch the surface of what people are bringing to games these days.

Dish Network just came out with a new “Tailgater Antenna” which is a compact 10-pound dish designed for tailgating. The antenna comes in at a cool $350 with an HD receiver option. They allow you to activate your antenna for as little as $7 a month during the season. And now that the Dish Network carries the MLB Network, you’ll be able to fully enjoy the fall overlap of football and baseball.  If you’re not crazy about lugging along a generator to plug in all these things, you can just find a parking spot near the big-screen TVs found in many tailgating lots, or piggy back off a neighboring party.

While people have been tailgating with televisions and satellite dishes for years, there is still new, geeked-out stuff you can bring without having to put up with the chugging of a generator. Play with an RC remote-controlled beer cooler on wheels and cart around your beer with a grown-up version of a remote-controlled car. Add Brookstone’s Grill Alert Talking Remote Meat Thermometer to help you cook your burgers, and you can keep your eyes on one of several fantasy football apps on your iPad or mobile phone without burning the meat.

I’m personally wary of bringing high-end electronics to an outdoor party packed with drunk and sometimes out-of-control people. Not to mention leaving them in my car while I’m inside a stadium for several hours (both the high-end electronics and the drunk passed-out people). I doubt I’ll ever pimp out my tailgate party with satellites and televisions. But I have no problem visiting your parking space and catching the pregame shows. You bring the gas for your generator, and I’ll bring the beer for your trouble.

Dome Sweet Dome Again For The Vikings

Posted by Seth in STADIUM on 08-27-11    No Comments

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As I write, they are playing football in Minnesota. And they’re doing it under a roof.

Personally, I think folks in the Twin Cities should figure out a way to build the Vikings a new open-air stadium because there was nothing like Vikes games late in the season, in the freezing cold, at the old Metropolitan Stadium. But the fact that the Vikings are back on the field at the Metrodome is considered an accomplishment in Minnesota after the roof collapsed under the weight of heavy snow last December.

They put up a new roof and inflated it over the summer. It’s made out of higher grade teflon and fiberglass than the old roof. Interestingly, they hired the same company that installed the old roof to put in the new one — Birdair Inc., of Amherst, N.Y. They built this new roof to be a little more sturdy and sit a little lower than the old one, which should make it more resistant to high wind.

And just in case you’re nostalgic you can buy a piece of the fallen teflon. Who doesn’t want that?



There’s Another New App For That

Posted by Anthony Mowl in ALL, MOBILE, STADIUM on 07-28-11    No Comments

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The Portland Timbers soccer team just announced an app that will help their fans find their way around JELD-WEN Field. Fans will be able to find concession stands for beer, and find restrooms to release that beer back into the wild.

Thanks to Meridian, a do-it-yourself app maker, teams like the Timbers are able to quickly and easily produce GPS-enabled apps. Something like this would have been particularly useful when I went to the Indy 500 a few years ago and started walking in the wrong direction to my seat. 2 1/2 miles around the oval track left me too exhausted to enjoy all of the women around me lifting their shirts, even though that did perk me up a little bit in time for the race. At the time, apps did not exist, so I didn’t complain. But today, the Indianapolis Speedway had better get with the program and do as the Romans do.

The neat thing about Meridian’s products is that they allow digital media staff for teams and venues to easily design for the app without too much technical expertise. The flexibility allows the app to be much more than just a scaled-down version of the team’s website. The app plugs into existing content management systems as well as Meridian’s own customized CMS, which gives these guys the power to modify and produce new content on the app quickly and easily — things like what’s available for sale in concession stands, players and their stats, and RSS or Twitter feeds. Meridian has been used in museums like the Smithsonian to help people find their way around sprawling buildings and locate specific exhibits, but putting this stuff in a sports stadium sounds like a no-brainer.

I would definitely use this app to find my way around a new stadium (or racetrack), but once I’m at my seat, I really doubt I would use those apps for anything else. Like any good sports fan, I know who’s playing on the field before I arrive at the stadium, and I didn’t buy a ticket to stare at my smartphone. I would, however, use this app at home as one of my sources for information to do my homework before heading out to see a game.

Meridian apps’ ability to help teams produce more original content is going to keep them constantly busy in our “give us everything now” world. And that isn’t a terribly bad thing, considering fans are demanding more for less. As for me, I would be content if I could just find my seat quickly at the Indy 500 (sans the 5k walk), relax, and enjoy the view.

Stop Getting Ripped Off By Scalpers

Posted by Silissa Kenney in GENERAL, INTERNET, STADIUM on 07-28-11    No Comments

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Have you ever bought a ticket to a live event from a scalper and just cringed at the escalated price? Or gotten to the ticket taker only to find out you’ve got a high-priced fake in your hand? It just sucks. Well fear no more, someone is looking out for you. A lot of someones.

Dozens of  recording artists, professional sports teams, industry leaders, and more than 60 venues across the United States have launched the Fans First Coalition, a nationwide, not-for-profit dedicated to protecting fans from fraudulent and unscrupulous ticket practices. Breathe a sigh of relief!

I know someone who used to work at Tower Records (you remember, those stores people used to have to go to — in person! — to buy CDs). Tower Records had a Ticketmaster counter. Whenever tickets were released to a major live event, the scalpers would come to buy. And they’d pay big “tips” to whoever was manning the counter in order to buy beyond the ticket limit Ticketmaster set for individual purchase.

Of course, this is an ancient way of doing business, but technology has opened up new ways for ticket buyers to get screwed.

In the Internet age, scalpers use software to buy large amounts of tickets online. Or, sometimes fans buy from a ticket reseller website, not knowing they are paying higher than face value. It all adds up to you paying higher prices, but the artist, or the team or the venue don’t make any more money. Seems like it’s bad for everyone.

Maybe we could all just be a little more careful about the sites we use to buy tickets. But, then again, there doesn’t seem to be any way to get around that Ticketmaster “convenience” charge. We all know the one. And there is nothing more annoying then trying to buy a ticket and finding out that the event is sold out within minutes. If that happens because scalpers are scooping up all the tickets, then maybe it will be good to have some superheroes (or singers) fighting the good fight for us little people.

Plus, the Fans First Coalition has brought together Megadeath and Kenny G on the same team. How cool is  that?

Apple Patent To Keep Game Recorded Content Out Of The Digital Slum

Posted by Jonathan in STADIUM on 06-16-11    No Comments

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via finpol2

Well, it looks like this sort of innocent picture at a stadium going to go the way of the music industry.

Several Apple researchers have filed a patent that will limit the use of video recorders in public spaces.

Several sites, including CNET, have reported that Apple has begun the process of controlling the intellectual property around the notion of managing infrared systems cameras use to focus on their subjects.

The idea is, public locales will be able to sense that a picture is being taken using an Infrared signal, and then monitor the quality of the copyrighted material in that area. If something of value, say a movie, image or game is nearby, the system will prohibit the device from making a recording. Slick.

Honestly, I think it sounds like a great idea.  Since it can finally bring some value back to digital content.

Link to United States Patent Office


Take Me Out To The Ball Game: And Make Sure There’s Wifi

Posted by Anthony Mowl in STADIUM, Uncategorized on 06-07-11    No Comments

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How many of us actually go to a game just to watch the game? If new stadium perks are any indication, few teams want us to.

Stadiums all over are coming out with new ways to enhance the experience of watching a game in person. Yankee Stadium teamed up with Cisco to “futureproof” everything and rolled out apps that let fans order hot dogs from their seats. Livestrong Sporting Park in Kansas City is working with Google to install 146 miles of 10-gigabyte fiber optic cables to do… who knows what yet. The Minnesota Vikings’ new stadium proposal promises to make it the most technologically advanced facility in the NFL.

With ticket costs soaring, networks providing better coverage of games, and ESPN3D expanding its offerings, teams are forced to compete with the at-home viewing experience. Free wifi networks are becoming a basic requirement, and apps are helping fans buy peanuts and Cracker Jack. Teams are cramming in as many flat-screen TVs as they can fit, even when the game is going on just a few feet away. It’s safe to say that even more people will be able to sing along, “I don’t care if I ever get back,” because they’ll be able to look up the lyrics from their seats.

As much innovation as there is, there doesn’t seem to be enough of the sort that’s going on in Philadelphia. The Eagles’ Lincoln Financial Field spent this offseason going green, installing 2,500 solar panels, 80 wind turbines, and a biodiesel generator that will not only make the stadium completely energy self-sufficient, but also will reduce the electrical bill by at least 25 percent. While it doesn’t make the fan experience any better, fans do appreciate the team’s effort to minimize its impact on the environment.

While ticket prices aren’t going down, teams also are using technology to increase profits and cut down on waste. The Jets monitor sales at the Meadowlands with their Command Center system, “The Pocket,” which allows the team to have real-time information about every dollar that is spent and every beer that comes out of taps.

With so much technology going into a stadium, the fan who goes to an occasional game is going to be overwhelmed and likely won’t take advantage of everything that a stadium has to offer.  There’s only one surefire way to make sure that casual fan goes home satisfied, and it doesn’t require high-speed Internet access or high-definition screens. Simply put together a good team and win games. No matter how many bells and whistles there are at a stadium, fans aren’t going to pay to watch a miserable team in person. After all, everyone has wifi and high-def at home.


NFL May Deploy Laser-Guided First Downs

Posted by John Hamlin in STADIUM, TELEVISION on 05-23-11    1 Comment

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Never again will football fans set down their beers, bite their nails and  pray as overweight men in black-and-white-striped uniforms waddle across the fie Come Diventare Un Maschio Dominante ld, chains in tow. Not if Norman Harty has his way.

For the last 12 years, the New Mexico man has endeavored  to supplant the institution of the chain gang once and for all with — think in your best Dr. Evil voice here — a frickin’ laser.

The New Sports Technology Laser System works like any other yard-marking pole, marching down the sidelines with the ball, until someone gets a questionable first down. In that case, officials activate the system from the sidelines, which projects a green marker onto a silver screen placed behind the football. Based on that marker, the ball is spotted, the call is made and the game goes on.

The time this saves is at the center of Harty’s latest sales pitch for the NFL. He’s estimated that the NST Laser System saves 1 minute per game, which, based on the going rate for advertisements, is worth $1 million. Multiply that by about 100 games in a season, and the $6,500 to $7,000 laser-pole quickly pays for itself.

And that doesn’t even include all of the money the league could save laying off all those dudes on the chain gang. Here’s hoping the NFL adopts the laser system, uses the money to end the lockout and we actually have a 2011 football season after all.

Come Diventare Un Maschio Dominante

Sunny Solar Panels Coming To Cloudy Seattle

Posted by Jonathan in STADIUM on 05-18-11    No Comments

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via GeekWire

It has got to be a cosmic joke somewhere that cloudy old Seattle is the home of a stadium that uses the power of the sun. But Geekwire is reporting that such a techno miracle is under way.

Qwest Field’s Event Center is installing a bazillion or so (3,750 to be exact) solar panels to help power the facility. And who is behind this solar largess?  Of course that would  be the mad elf of Seattle himself, Paul Allen. He has a company called First and Goal that installs such systems in sports facilities.

The interesting question is exactly what is the return?  On this scale solar panels are a seven-figure investment at a minimum. And it will be some time before the  830,000 kw of juice they create will pay for that cost.

Still, it’s probably only a matter of time before these sorts of solar-powered sports stadiums will become standard, just like big-screen stadium displays. And that’s news for sure.

Link to the story is here.

More MLB Stadiums Go Wireless As Baseball Competes With Your Living Room

Posted by Alex Dalenberg in INTERNET, MOBILE, STADIUM on 04-28-11    No Comments

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Wi-Fi may finally be coming to a ballpark near you.

Internet access at baseball stadiums should more than double this year with the Arizona DiamondbacksMinnesota Twins and Atlanta Braves adding Wi-Fi to their stadiums.

To the best of my knowledge, only the San Francisco Giants and the Houston Astros offered fans Internet access before this year, with both stadiums adding the service way back in 2004.

This isn’t exactly a wireless explosion, but my gut tells that we’re going to see the number of these upgrades grow exponentially as owners compete with their fans’ home entertainment systems.  That means these services aren’t just offering Internet access for your tablet or smartphone, but  also offer replay, real-time stats and the ability to order food right to your seats.

Diamondbacks President Derrick Hall comes right out and says it in this article from The Arizona Republic:

“What we compete with is the quality of broadcasting now, and fans get in the habit of staying at home and being in what they consider the best seat in the house right behind the pitcher… We challenge ourselves to come up with ways that still give an advantage to the person coming in person to see that game. This new digital portal is just that. They’re going to have access to information, replays, videos, stats, etc., that nobody at home can get.”

So these ballparks are trying to one-up the multi-screen experience sports fans take advantage of when they take in a game at home. It’s a challenge more than one business model is facing: how does your brick and mortar business beat the convenience of home consumption?

If I knew the answer to that one, I wouldn’t be blogging, but this Wi-Fi thing is obviously a no-brainer. You can get Wi-Fi in every coffee shop in town so why not a major entertainment venue like a baseball stadium. By all means, these teams should give fans as much bang for their buck as possible. Teams need to create a real value proposition to keep fans in the seats.

But I’m not going to say this is even going to start to cure the lagging attendance problems it’s trying to address. Maybe we’re just not fan enough anymore, but no mobile app or online portal is going to let fans bypass finding a parking spot or upgrade their nosebleed seats to a luxury box.

Especially in the case of teams like the Diamondbacks which have struggled over the last few years, I’d think putting a winner on the field is going to do a lot more to solve attendance problems than this thing called the Internet. You don’t need in-game replay or real-time stats to tell you a team is mediocre.

As for in-game beer delivery, there’s a winner if I’ve ever heard one.