Homemade Rfid Reader

RFID chips are everywhere. They're in passports, credit cards, and tons of items you've bought in the last 5 years or so. Big retailers like Walmart started using tracking products with RFID as early as 2004, and today, they're used in everything from mobile payments to hospit ...more

What if your fridge knew your food and expiration dates? What if your fridge could tell you which ingredients are missing and where you can get them the cheapest? "In My Fridge" is a project designed to simplify the process of food management. Our focus was on the technical ...more

Hate answering the door, but don't trust your friends with a set of keys? This RFID front door lock made by Steve Pomeroy will solve all your party-hosting problems. It reads the RFID tags in his friends' public transit cards and decides who's allowed in based on "groups" that ...more

Switching your favorite facial cleanser isn't an easy choice. Since everyone's skin type can range from dry, to oily, to some complicated combination of both... well, let's just say that the conventional wisdom is to stick to what you know works. However, fruit—and citrus fru ...more

Kindle users love reading. But let's face it—nothing compares to the feel of a book in your hands. Sure, Amazon's Kindle makes it possible to read more books, clears up a lot of shelf space, fits snugly in anyone's baggage and can actually be cheaper in the long run. But each ...more

Recently, buyout talks between Google and Groupon ended with Groupon turning down Google's $6 million offer. But with Amazon backing LivingSocial, should they have? Your guess is as good as mine, but one thing's for sure— Groupon has a great voice, and they're sharing it with ...more

Remember the good ol' days when you actually had to swipe your credit or debit card to make a payment at the store? Now all it takes is a flick of the wrist to purchase goods with your card, thanks to RFID (radio-frequency identification) technology from Chase (blink), Visa (p ...more

WonderHowTo is made up niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. This week: A nostalgia-themed cell phone photo ...more

Samy Kamkar, the security researcher known for the MySpace Worm and his combination lock cracking skills (using an online calculator), is back—and this time, he's after your credit cards! Well, not really, but his latest project, dubbed MagSpoof, can spoof any magnetic stripe ...more

RFID cards are becoming a fairly common way to purchase goods, but they're already widely used to pay fares on buses, trains, subways, and trolleys across various cities. TAP cards are quick and reliable, but it can be a real pain to remember to bring them with you, especially ...more

Today I would like to share a few data about painting on silk with all the creative readers. The knowledge comes in handy if you want to give a homemade gift or even try to sell a few of your masterpieces. Step 1: Gather the Expedients. Your artistic creativity will require: ...more

We here at Food Hacks are all about saving you, our wonderful readers, time and trouble in the kitchen. So when I saw that Barilla had come out with their Pronto line of "One Pan, No Boil, No Drain" pasta, I had to give it a try. While no-boil lasagna noodles have been around ...more

Poor chickens. Bacon fat is revered (and justifiably so), and duck fat is a staple at most fine grocers. Marbles of fat make a steak divine, and goose fat is the holy grail of fatty goodness. Yet chicken fat is usually thrown away. If you're one of those people who roasts a c ...more

Regardless of your culture or your age, eating with your hands is fun. Flouting social convention and just digging in with your fingers provides a whole other level of epicurean enjoyment. And one of the most entertaining hands-on foods is monkey bread. Food historian Tori Ave ...more

Few things in life are as exciting and magical as fire. And setting things on fire while cooking? Well, now you're speaking my language. I'm not talking about grilling, though I do love some outdoor cooking. No, I'm talking about the most badass trick in any cook's arsenal: th ...more

For the uninitiated, it can be difficult to buy that special hacker in your life a perfect holiday gift. That's why we've taken out the guesswork and curated a list of the top 20 most popular items our readers are buying. Whether you're buying a gift for a friend or have been ...more

A vending machine is an invaluable yet totally frustrating piece of equipment. It's a godsend whenever your tummy's growling or you need an ice-cold drink on a hot summer day. But when something gets stuck inside or the machine flat-out malfunctions, it quickly becomes your ar ...more

The origins of vodka are shrouded in mystery, with both Russia and Poland laying claim to its invention. Some say Genovese merchants brought vodka (then known as aqua vitae, or the water of life) in the late fourteenth century to Russia. For many years, vodka wasn't just an al ...more

Not that long ago I wrote an article discussing what it would be like, realistically, if you were to accidentally travel back in time to the Victorian era. At the end of that article, I mentioned that the best thing you could bring with you on a time-traveling adventure is a K ...more