Any real-world security system is inherently complex. Making them safe and secure is hard. Controlgeek Blog has an interesting pointer and summary on on a very interesting white paper How Complex Systems Fail. I also found his paper, which is only a few pages long, a fascinating read (like John Huntington and Schneier on Security). →
I just saw news in several news sources (check the links on this article to get to them) that STMicroelectronics wants to lure more contracts from the world’s biggest phone-makers with a new trick: touchless screens. The new display is the touch screen, except that it does not touch, but fingers are several centimeters above →
Coming to an e-book or car near you: the Web article tells that World Wide Web Consortium now have groups adapting Web technology for the automotive and publishing industries (traditionally two pretty narrow domains). “The Web equals publishing,” Jaffe said. “There’s really no difference anymore.” Interactivity is part of the reason the automotive industry is →
There are many ways to measure current. The traditional methods of taking current measurements by inserting a shunt resistor or using a current transformer have the disadvantage of having to break the circuit conductor. For current transformer there are also models that can be installed in place without cutting the cable (more expensive and usually →
2013 Gartner Magic Quadrant for Enterprise Network Firewalls give a view to current firewall markets: Gartner states, “Advances in threats have driven mainstream firewall demand for next- generation firewall capabilities. Buyers should focus on the quality, not quantity, of the features and the R&D behind them. This market includes mature vendors and new entrants.” Palo →
I bought some time ago Key Style Stainless Steel Hot Swapping USB 2.0 Flash Drive – Silver (8GB) hoping to get a nice USB memory that I can include to my keyring. The product got even some good reviews at Dealextreme product page. At first everything looked good. The good things was that this product →
Network World is running a guest article Open Source Software Licenses versus Business Models by Outercurve Foundation’s technical director Stephen Walli discussing how FOSS license choice can affect a company’s business model. In Open Source Software Licenses versus Business Models article Walli disagrees that a FOSS license dictates the business model or that the business →
Selecting the Best Battery for Embedded-System Applications article tells that non-rechargeable (primary) batteries find wide use in mainstream embedded-system applications. This category of batteries includes alkaline devices, which manufacturers typically fabricate using manganese dioxide and zinc powder with a caustic alkali of potassium hydroxide as an electrolyte. The nominal voltage of an alkaline cell is →
Safety is important when arranging events. And there are a lot of things to consider to make the event safe for everybody (I know from experience from several event I have been working with). Control Geek blog writes about US Event Safety Alliance Document in Public Review. The Event Safety Alliance is a group of →
Solving a Rubick’s Cube with LEGO and popsicle sticks The user enters the cubes state into a python GUI, which the solves the cube using the beginners layer by layer method. It then sends the solution to the Arduino via (usb) serial, which then solves it. →