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All about electronics and circuit design

How 10 popular tech companies got their names

How 10 popular tech companies got their names article tells that you might be surprised to find out how some of global company names originated. What’s in a name? For these 10 companies, a lot; billions and billions of dollars as a matter of fact. Nowadays those companies make very calculated decisions on every move

How Clean is Your Cloud and Telecom?

Greenpeace report How Clean is Your Cloud? I saw mentioned in 3T magazine news is actually quite interesting reading. This year’s report provides a look at the energy choices some of the largest and fastest growing IT companies. The report analyzes the 14 IT companies and the electricity supply chain in more than 80 data

New camera technologies: Light field photos

When was the last time you carried around a 2nd device for taking pictures? No need! Phones now come equipped with megapixel cameras. It’s all these advances in camera phone technology, point and shoot cameras just aren’t as important as they used to be. Nokia has been the world’s largest digital camera manufacturer for many

A new IDE concept

Programming environments (IDEs) have been stayed pretty much similar for almost 20 years or so. We have a working environment and editor. Light Table – a new IDE concept article hints that that things could be different and more advanced if we want. Light Table – a new IDE concept article mentions that despite the

Secret world of submarine cables

Links between cities and cables that run alongside roads and into houses and officers are certainly impressive — and without them we wouldn’t have high speed internet. The secret world of submarine cables article tells that Internet’s largest and most important champions are the privately-owned submarine cables that orbit the Earth. The submarine telecommunications industry

Mercedes uses LEDs to create invisible car

Mercedes uses LEDs to create invisible car article tells that Mercedes campaign makes interesting use of LED technology to market new message to consumers. To promote its new fuel cell technology, luxury car manufacturer Mercedes-Benz went in the complete opposite direction of what most companies do when marketing a new product: As opposed to inundating

Use sound card for science experiments

EFFICIENT SOUND CARD BASED EXPERIMENTION AT DIFFERENT LEVELS OF NATURAL SCIENCE EDUCATION paper tells that sound cards can be turned into measurement tools, making science experimentation very efficient and cheap. Sound-card experimentation becomes really viable only if we demonstrate how to connect different sensors to the sound card and provide suitable open-source software to support

Visa shows off data centre security

Credit card company Visa has boasted that one of its US data centres possesses the ultimate security features. Many details of the site are reported by USA Today and Fast Company, which both seem to have been invited to the facility, the company’s Operations Centre East (OCE). Also The Register and ABC news have written

Resistance grounded laptop PSU output

I have one pretty new ACER 5552G laptop that cam with with Delta Electronics ADP-90CD D8 power supply that has grounding practice different from other laptops I have seen (normally grounded or floating): The power supply output (otherwise floating) – side seems to be connected to mains ground through 1 kohms resistance on the power

Dc-coupled impedance converter for microphone

The diaphragm of a condenser microphone is the movable plate of a capacitor. WHen properly polarized the vibration of the diaphragm in relation to the back plate produces an ac audio-output voltage. The condenser capsule has a capacitance of 10 to 60 pF; thus, you should connect it to an impedance converter with extremely high