Gurudatta

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Electrolytic Rust Removal Leaves Your Parts Shiny As New

If you’re tired of removing rust by hand, you’d be surprised how easy it is to build your very own electrolytic rust removal system!<p>[James Taylor] is …

Collections of Engineering and Sciences Websites

Welcome to Tube Distinctions Tube Distinctions have been building audio equipment for over 15 years... Read More<p>TEACHING ELECTRONICS, IMPLEMENT …

Simple 6X USB Charger with Current Monitor

This is a simple 6 port USB device charger with a individual current monitor on each port. The charging current is indicated using RGB LEDs. Blue …

Microcontrollers: Polling vs. Interrupts | PyroElectro - News, Projects & Tutorials

Posted April 17, 2014 by Chris<p>This week we’ll turn to take a look at a very important concept of Polling vs. Interrupts in our new course: An …

60 Years Ago Today, Bell Labs Unveiled the Solar Cell

Sixty years ago, scientists at Bell Labs in New Jersey announced that the world finally had an efficient way to turn sunlight into electricity. On …

Solar Panels

5 Easy-to-Grow Container Plants Perfect for Making Teas

Tea can knock the sleep out of your system early in the morning, is perfect to sip on to keep naps at bay in the afternoon and can soothe before …

India: Frightening Questions, Terrifying Answers

I was born into a devoutly Hindu family in India's commercial capital of Mumbai (then known as Bombay). I studied at a Jesuit school. I attended mostly-Jewish universities in the United States: Brandeis and Columbia. And every Friday in the United Arab Emirates, where I've been living and working …

Amartya Sen on elections, communal politics and inequality in India

Talking with Amartya Sen is not, at any moment, chatting. When I as whether he would fancy a cup of coffee, or <i>chai</i>, maybe, he remarks how few people …

Wireless AC Control With The Raspberry Pi

We’ve seen some of [Connor]’s work before, and it looks like he’s now turning to product design. He’s come up with an adapter for the Raspberry Pi to …

Current Limiting Diode Use and Tutorial

Not that this happens often, but what do you do when faced with a repair where you don’t know the power source but you do know you have to drive LED …

Electronics-Lab

134<p>0<p>Have you ever been to a concert with no way to find the friends you were supposed to meet, seems like things could not get worse but there is no …

Arduino

OpenSprinkler Pi (OSPi)

An Open-Source Sprinkler / Irrigation Extension Board for RPi<p><b>NOTE: the video below is based on OSPi v1.0. The current version, OSPi v1.4, uses a</b> …

Tin: What the world owes this dull grey metal

<b>Tin wouldn't come anywhere near the top of most people's list of the most important elements, yet the history of our species is very closely entwined with this dull grey metal.</b><p>Tin was the basis of man's first great technological revolution. Thanks to its low melting point, this relatively abundant …

US firm Duke Energy pays out over wind farm eagle deaths

<b>A huge US energy supplier has agreed to pay out $1m (£620,000) over the deaths of golden eagles at two wind farms.</b><p>Duke Energy Renewables agreed to the sum after pleading guilty to charges over the deaths of 14 eagles in the past three years at the Wyoming sites.<p>It is the first time the Obama …

Why the Chromebook pundits are simply out of touch with reality

Advertisement<p>75 Comments<p>Credit: Google<p>The Chromebook(s goog) pundits have their heads in the sand again. In the past week, I’ve read not one, but two …

Return to the rainforest: A son's search for his Amazonian mother

<b>David Good's parents come from different countries - hardly unusual in the US where he was raised. But the 25-year-old's family is far from ordinary - while his father is American, his mother is a tribeswoman living in a remote part of the Amazon. Two decades after she left, David realised he had</b> …

Abraham Maslow and the pyramid that beguiled business

<b>The psychologist Abraham Maslow's theory of human motivation is 70 years old but continues to have a strong influence on the world of business. What is it, and is it right?</b><p>There is a commonly reproduced symbol which many believe holds the secret to personal fulfilment and business success.<p>It …

Hardened hardware crypto chips resist fierce attacks and viruses

Altis has announced it will sample new products using state-of-the-art cryptology and technologies to address security and performances for mobile …

Serial UART/SPI To WiFi Modules Bring WiFi To New Products

Radicom’s RW8200 3.3 V embedded serial to WiFi module integrates a M3 Cortex host processor, Broadcom’s BCM44362 WICED and an embedded processor. The …

French outrage after US deems its cheese 'filthy'

<b>Indignation is growing among cheese-lovers in France and the US after Washington branded a type of French cheese as unfit for human consumption.</b><p>The US government slapped an import ban on mimolette cheese at the end of May, leaving 1.5 tonnes of the item impounded at a warehouse.<p>American food …

Ancient Roman Concrete: The Building Material of the Future?

Two thousand years later, scientists have finally unlocked how Romans built concrete that has endured for centuries.<p>Image: Lawrence Berkeley National Laboratory<p>It only took us two millennia to figure out how the Ancient Romans made such amazingly durable concrete. Scientists at the Berkeley …

Engineering