All about electronics and circuit design

SCADA systems security issues

SCADA systems are used to monitor and control critical installations in oil and gas refineries, water and power distribution plants, manufacturing plants and other industrial facilities. There has been a lot of discussion about malware and security in industrial automation systems after Stuxnet. Widely viewed as the most complex piece of computer malware ever created,

Linux on Windows

Some time a go I saw an interesting project called andLinux. andLinux is a complete Ubuntu Linux system running seamlessly in Windows 2000 based systems (2000, XP, 2003, Vista, 7; 32-bit versions only). The idea is that it runs almost all Linux applications without modification and you see the applications on your Windows screen like

3D TV production technology from Panasonic

I visited AudioVisual 2011 trade show briefly on 13. November 2011. The most interesting stuff I saw there was a presentation on shooting 3D video with Panasonic equipment. The presentation was given by Juha Lindqvist from Kaukomarkkinat. I originally planned to write an article on 3D video technology for Prosessori magazine, but because Prosessori magazine

Phone spying busted

BUSTED! Secret app on millions of phones logs key taps article tells that Android app developer Trevor Eckhart has published what he says is conclusive proof that millions of smartphones are secretly monitoring the key presses, geographic locations, and received messages of its users. Many Android, Nokia, and BlackBerry smartphones have software called Carrier IQ.


The resistor is the most common and well-known of the passive electrical components. There are many uses for resistors: they are used to drop voltage, limit current, attenuate signals, act as heaters, act as fuses, furnish electrical loads, and divide voltages. Resistor 101 tutorial provides an in-depth guide to the types of fixed resistors, their

The Top 10 Supercomputers

The twice-a-year list of the Top 500 supercomputers documents the most powerful systems on the planet. But what do those supercomputers look like? The Top 10 Supercomputers, Illustrated, Nov. 2011 article takes a look at the top finishers in the latest Top 500 list. Many of them are striking not just for their processing power,

25,000 Angry Christmas Lights

What do you get when you take Angry Birds and Christmas lights? 25,000 Angry Christmas Lights video shows that you get 25,000 Christmas lights pumping to the Angry Bird Theme song covered by Pomplamoose. The video description tells that the lights don’t actually go on until after Thanksgiving. This video is shot at a middle

Display in contact lens

Enhancing contact lenses with electronics seems to be a topic that has gained research interest. Smart contact lenses for health and head-up displays article the litany of research projects underway in the field of contact lens enhancement. Sensimed has already contact lens with surface-mounted strain gauge to assess glaucoma risk. Those medical measuring lenses have