I have earlier written about grounded laptop power supply problems. Other popular laptop power supply configuration used is floating output. There are power supplies without ground, for example some Apple laptops and many other brands. The power supplies where there is no ground on connection on the mains side are for sure built in this →
Friday special video. Farewell to boring Power Point slide shows, now come iPad magicians! The City of Stockholm surprised with an iPad show. New iPad Act – Stockholm with Charlie Caper and Erik Rosales. New iPad magic. On behalf of Stockholm — The Capital of Scandinavia and Step2 Communication. Performed at MIPIM in Cannes by →
Credit card fraud is a wide-ranging term for theft and fraud committed using a credit card or any similar payment mechanism as a fraudulent source of funds in a transaction. The fraud begins with either the theft of the physical card or the compromise of data associated with the account (card account number and/or verification →
My friend Henri Sundelin told few days ago that that he had became tablet-crazy and decided to get himself a proper tablet. Not those proprietary iPad or Android stuff, but a real computer. Ubuntu (Precise) on Samsung Slate 7 article tells that the Windows 7 that came with it was a truly poor excuse for →
Some time ago I bought Powerlight HX-G011 1W 1xAA LED Flashlight Grey. This is a very useful and cheap LED flashlight. It only uses 1 AA battery, which is really is great. Light is quite bright for the price (feels like between my other old 1W LED flashlight and new 1W LED flashlight) with nice →
Is your working desk clean or messy? Do you have a home laboratory and how messy it it? Computer History Museum honors Jim Williams and Bob Pease tells that some messy engineering working desks end up in Computer History Museum as exhibit. Both work of Bob Pease and Jim William have been a source of →
Can you train people to innovate? Financial analyst Barry Ritholtz has shared a helpful slide set titled “Innovation can be trained” that’s worth reading. Printing and then tacking individual slides to your cube walls can be used as a daily reminder that organizations can create cultures of innovation. It’s based on the work The Innovator’s →
Quantum computers could revolutionize the way we tackle problems that stump even the best classical computers. Single atom transistor recently introduced has been seen as a tool that could lead the way to building a quantum computer. For general introduction how quantum computer work, read A tale of two qubits: how quantum computers work article. →
When was the last time you carried around a 2nd device for taking pictures? No need! Phones now come equipped with cameras. With all these advances in camera phone technology, point and shoots just aren’t as important as they used to be. There is still lots of room for innovation in mobile phone cameras. Here →
Fritzing is an interesting open-source initiative to support designers, artists, researchers and hobbyists to work creatively with interactive electronics. We are creating a software and website in the spirit of Processing and Arduino, developing a tool that allows users to document their prototypes, share them with others, teach electronics in a classroom, and to create →