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Hack
Ben Heck gets sloppy and we love it
[Ben Heck] is a name synonymous with game system hacking. His projects have been seen and praised by people all over the world for both their quality and their ingenuity. He’s so good, in fact, that many of his projects have gone far beyond what we typically think of as hacking. They look and feel like commercial products. While that is a fantastic accomplishment, we have a soft spot for seeing stuff that is truly hacked. This lasted job he did is a great example. The controller needed to work using a single hand, so he hacked it. He was in a…
Hack
DIY Lincoln welder conversion
[Fritz] built this 600 joule capacitive discharge spot welder in a case scavenged from a Lincoln plasma cutter. All of the circuitry was designed by [Fritz] and the schematics are available on his website. He has a few other welding related project also documented on his site that are worth checking out. While this isn’t the first homemade spot welder we have seen, it is definitely the first one with a case mod. If you are not up to the challenge of building one quite as complex as [Fritz]’s example, a microwave can be used as the donor appliance in simpler designs.
Business
ANALYSIS – Easy money fuels all markets, but not forever
NEW YORK (Reuters) – General investment theory holds that investors should diversify, buying one asset class on expectations of profit as they avoid others on fears of a loss for any given set of economic circumstances. But with gold at 18-month highs, U.S. stocks rising off recessionary lows and a rally in U.S. bonds sending yields on some debt to the lowest since July, the investment climate is anything but typical. The worst global economic contraction in decades prompted low interest rates around the world and central banks, including the U.S. Federal Reserve, to take the extraordinary precaution of…
Business
Rupee falls as stocks unwind; dlr watched
MUMBAI (Reuters) – The rupee dropped on Monday in tandem with lower stock markets, which could slow down foreign inflows, and a stronger dollar overseas. At 10:57 a.m. (0527 GMT), the partially convertible rupee was at 48.68/69 per dollar, 0.4 percent weaker than its previous close of 48.48/49. It had risen 0.9 percent last week. “It is the same old story — stocks are down, so the rupee has also weakened,” said Ashtosh Raina, head of foreign exchange trading at HDFC Bank. He expected the day’s range at 48.50-48.80. Shares dropped 0.9 percent early as weak Asian markets encouraged…
Hack
DIY Solar Panels
Reader [unangst] pointed out to us an article in the U.K.’s Daily Mail, where a teenager from Nepal had managed to create a 9v, 18W solar panel using human hair rather than the usual semiconductors (usually crystalline-silicon). The complex silicon in solar panels are what keep the prices out of reach of developing nations, and while there are a number of new technologies that are helping bring down the cost, [Karki] managed to make his solar panel for only £23 (roughly $38). He also claims that when mass produced the price could drop substantially down to under $10 a…
Automotive
Formula One Cars – Unsurpassed Technology at Its Finest
Formula One Racing is, quite simply, the paramount of karting.It is the professional form of the sport in its entirety.Formula One is an international phenomenon, a media conglomeratethat rakes in millions and millions of dollars a year fromadvertising, sponsorship, and broadcast revenues. Professionaldrivers with millionaire bank accounts race these majestic kartmarvels that are unprecedented, flush with technologicalluxuries ‘ everything from hard to produce lightweight framesthat glide the machine to tires with unsurpassed grooving stylethat exemplify powerful movement on the circuit.There is no sport that bests epitomizes the term ‘global sport’like Formula One racing. Many countries serve as activeparticipants in shaping…
Hack
Adafruit releases new TV-B-Gone kit
Recently, our friends over at Adafruit released a new version of their popular TV-B-Gone kit. Built in cooperation with [Mitch Altman], the inventor of the TV-B-Gone, the new kit sports four high power IR LEDs, two wide beam and two narrow beam. The four LEDs give the new TV-B-Gone increased range, with a maximum distance of over 150ft. One of the most impressive features of the kit is the fact that the new TV-B-Gone is universal and can now work in Europe and Asia in addition to the US. Users are able to select which region they want to…
Finance
Beginner’s Overview of Foreign Currency Exchange
Foreign currency exchange trading can be very rewarding, but can also be very intimidating to a beginner. To get started, you will need to know some basics:
1. What is foreign currency exchange?
2. How is it traded?
3. What are the benefits?
4. What are the risks?
5. How can I get started?
What is Foreign Currency Exchange?
The Foreign currency exchange (FOREX) market is a cash (or “spot”) market for currency. Unlike the stock exchange, the FOREX market is not located on a trading floor or centralized on an exchange. Instead, it is entirely electronic within a network…
Finance
Accomplishing Personal Aspirations With Bad Debt Personal Loans
If you are being denied the much-needed money because of your bad credit history, need not worry, as bad debt personal loans are at your rescue. Read the article and find out how bad debt personal loans can help you in your financial crisis.
Nowadays, people tend to fall in the trap of bad debt. Bad debt becomes like a black spot on their credit report. Due to this reason they face difficulty in obtaining loans. If you are being denied the much-needed money because of your bad credit history, need not worry. Bad debt personal loans are at your…
Facebook
The Makings Of A Facebook DDoS Attack
Some time ago I had the good fortune to work with some developers on a Facebook application that was underperforming. Through a very robust investigation of the application, it was discovered that a large number of invalid requests were being passed to the server. It was the victim of a Distributed Denial of Service attack utilizing Facebook platform and a popular application to bring down the application.
What Can a Developer Do?
Before instantiating ANY code, check your signatures! There are a number of ways to do this, but for starters, check the $_REQUEST['fb_sig_app_id'] and be sure it’s yours!
Spot check…
Hack
Capacitive discharge spot welder update
It seems one of our commenters took great umbrage with [PodeCoet] not documenting his capacitive discharge cutting properly. [PodeCoet] had been waiting till he got the full spot welder working before publishing, but he’s expedited the work after all our whining. Check out his full writeup of the device in its current state. It uses a 1Farad audio cap for storage. A dsPIC monitors all of the voltage sources and regulates charging. A nice touch is the tactile switch on the electrode.
