l33t / Geek

Take a People-Free Photo in a Crowded Place [Photography] : " You're at a popular location and you really would love a photo of the place without all the people in the way. Looks like you're out of luck and you should just buy a postcard, right? Not with this clever trick. More » Photography - Business - Arts and Entertainment - Photographers - Commercial-Advertising "

Ultimate Boot CD can help when disaster strikes : "   What would you do if the next time you powered on your computer it failed to boot? Ultimate Boot CD can help you get going again and possibly diagnose the issues causing failure. Chock full of dozens of small utilities, this is a program worth downloading, even if you never have to use it. In .iso format, you’ll need ImgBurn (or the like). Ultimate Boot CD via MajorGeeks "

Circuit Board Business Card Is the Business Card Endgame [DIY] : " Forget obsessing over stock and fussing over fonts. There's no point. Because Ramiro Pareja Veredas has created the ultimate business card . It's a circuit board that displays all your relevant info, and it's got a fancy trick up its sleeve. More » Printed circuit board - Business - Electronics and Electrical - Contract Manufacturing - Tools and Equipment "

Chinese scientists demonstrate 2Mbps internet connection over LED : " LED data transmission used to be all the rage -- we fondly remember beaming Palm Pilot contacts via IrDA. Then we got omni-directional Bluetooth and building-penetrating WiFi , and put all that caveman stuff behind us. But now, scientists the world over are looking to bring back line-of-sight networking, and the latest demonstration has Chinese researchers streaming video to a laptop with naught but ceiling-mounted blue LEDs. The Chinese Academy of Sciences claims to have realized a 2Mbit per second internet connection that transmits data simply by modulating the flicker of the little diodes, and imperceptibly enough to have them serve as room lighting as well. Like Boston University before them, the Chinese scholars see short-range LED networks controlling smart appliances. It's not quite the gigabit speed you'd get from laser diodes , but this way you'll get more mileage out of those expensiv...

Create and Change to a New Directory in One Command [Terminal Tip] : " Linux/Mac/Cygwin: Creating folders from the terminal and then switching to them can be tedious, especially when the folder names have spaces, but the One Thing Well weblog writes up a simple trick that makes the process simpler. More » "

Now, Anybody Can Accept Credit Card Payments With Square [Square] : " Square's been one of my favorite party tricks—watch me take your money with my iPhone! —but now everybody can join in with the full release of the apps for iPhone, Android and iPad. Which is actually more exciting. More » iPhone - Square - Handhelds - Credit card - Smartphones "