Technology

​Compete with Others in Virtual Races, Even If You Work Out Alone

Lifehacker.com - 2 hours 36 min ago

Can't wait for that weekend race or that date with your slightly-faster cycling buddy? You can fire up your competitive spirit right now with apps and virtual races. Here are some fun ones.

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Behind the Scenes At a Quantum Dot Factory

Slashdot - 3 hours 8 min ago
Tekla Perry writes: In a nondescript office complex in Milpitas, Calif., Nanosys is making enough quantum dots to populate 6 million 60-inch television screens annually. "The process goes on in what looks like a microbrewery. In about half a dozen large metal tanks ... Nanosys combines cadmium and selenium and adjusts the temperature, concentration, and catalysts added to force these precursors to combine into stable crystals of cadmium selenide. Then, by readjusting the conditions, the system stops the formation of crystals and triggers the beginning of crystal growth. A computer controls the process according to a programmed “recipe;” staff members monitor the growth of the crystals by shining light on them and measuring the wavelength of the fluorescence; the smallest crystals don’t fluoresce at all, then, as the crystals get larger, the wavelength changes. Nanosys stops the process when the fluoresced light hits the target wavelength, which varies depending on what particular display industry standard that the batch of film is designed to meet."

Read more of this story at Slashdot.

Categories: Technology

Paperwork Is an Evernote Alternative You Can Host Yourself

Lifehacker.com - 3 hours 37 min ago

If you're not a big fan of storing your notes on a third-party service like Google Keep or Evernote, Paperwork is similar software that's open-source that also allows you to host it yourself.

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Ask Slashdot: What Makes Some Code Particularly Good?

Slashdot - 3 hours 51 min ago
itwbennett writes: When developers talk about what makes some source code particularly 'good,' a handful of qualities tend to get mentioned frequently (functional, readable, testable). What would you add to this list?

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Categories: Technology

Store Your Emergency Food Supply in Water Bottles

Lifehacker.com - 4 hours 7 min ago

When setting up your emergency food supply, proper storage is critical to make sure insects and other creatures don't get to your stash. This simple solution keeps your dry goods safe and portable.

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Rebuilding the PDP-8 With a Raspberry Pi

Slashdot - 4 hours 32 min ago
braindrainbahrain writes: Hacker Oscarv wanted a PDP-8 mini computer. But buying a real PDP-8 was horribly expensive and out of the question. So Oscarv did the next best thing: he used a Raspberry Pi as the computing engine and interfaced it to a replica PDP-8 front panel, complete with boatloads of fully functional switches and LEDs.

Read more of this story at Slashdot.

Categories: Technology

What's the Weirdest Food You've Ever Eaten?

Lifehacker.com - 4 hours 37 min ago

Some of us are more adventurous when it comes to food than others, and across every cuisine there are "delicacies" that might seem bizarre to others around the world. What have you tried?

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Stop Thinking and Start Doing: The Power of Practicing More

Lifehacker.com - 5 hours 7 min ago

We all have goals that we want to achieve in our lives. These goals may include learning a new language, eating healthier and losing weight, becoming a better parent, saving more money, and so on. But there's a point when you need to stop planning these goals and start working towards them.

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Modern Cockpits: Harder To Invade But Easier To Lock Up

Slashdot - 5 hours 14 min ago
HughPickens.com writes: Jad Mouawad And Christopher Drew write in the NY Times that although airplane cockpits are supposed to be the last line of defense from outside aggressors, airlines have fewer options if the threat comes from within. One of the major safety protocols that actually made planes safer in the past 15 years was that the cockpits were turned into fortresses. Unfortunately, that exact advantage was exploited by the co-pilot of the Germanwings plane on Tuesday to crash it intentionally. "It is shocking to me that there was not a second person present in the cockpit," says Mark Rosenker, a former chairman of the National Transportation Safety Board. Access to the cockpit is strictly regulated in the United States. Passengers are not allowed to congregate near the cockpit door, and whenever the door is open, no one is allowed in the forward bathroom and flight attendants usually block aisle access, sometimes using a food cart. The Federal Aviation Administration mandates that a flight attendant must sit in the cockpit when either pilot steps into the passenger area; European regulations do not have a similar two-person rule, but they're now talking about creating one. The Germanwings accident also points to potential shortcomings in how pilots are screened for mental problems, a recurring concern for an industry that demands focus and discipline in an increasingly technical job, often in stressful situations. In 2012, a well-regarded pilot with JetBlue, one of the airline's earliest employees, was physically restrained by passengers on a flight from New York to Las Vegas after displaying erratic behavior. In that case, the co-pilot locked the pilot out of the cabin and made an emergency landing in Amarillo, Tex. "Aircraft-assisted pilot suicides," as the Federal Aviation Administration calls them, are rare. They include the November 2013 crash of a Mozambique Airlines plane bound for Luanda, Angola, which bears an eerie resemblance to the Germanwings plane's demise. When the flight's co-pilot left to use the lavatory, the captain locked him out of the cockpit and manually steered the aircraft earthward. The crash of Egypt Airlines Flight 990 off Nantucket, Mass., in 1999, which killed all 217 people on board, was also caused by deliberate action, a National Transportation Safety Board investigation concluded. Experts on suicide say that the psychology of those who combine suicide with mass murder may differ in significant ways from those who limit themselves to taking their own lives.

Read more of this story at Slashdot.

Categories: Technology

Improve Your Finances by Scheduling Time Each Week to Learn about Them

Lifehacker.com - 5 hours 37 min ago

It’s easier than ever to find quick answers to your money questions. But most of us would do well to learn a little more about personal finance. To improve your situation, invest a set amount of time each week in your financial literacy.

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Think Twice About Using Your Credit Card to Pay Your Rent or Mortgage

Lifehacker.com - 5 hours 52 min ago

If you're responsible, using credit cards to pay bills is a great way to build reward points and miles. Some people even make their rent or mortgage payment with one, then pay it off every month. If your landlord or lender allows this, make sure to ask about potential fees so you don't get blindsided.

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US Air Force Overstepped In SpaceX Certification

Slashdot - 5 hours 56 min ago
Rambo Tribble writes: An internal review commissioned by Air Force Secretary Deborah James has concluded that Air Force personnel tasked with evaluating SpaceX's certification treated it as a design review, going so far as to dictate organizational changes in the company. This was judged contrary to the intention of promoting a competitive environment. The report, prepared by former Air Force Chief of Staff General Larry Welch, concluded, "The result to date has been ... the worst of all worlds, pressing the Falcon 9 commercially oriented approach into a comfortable government mold that eliminates or significantly reduces the expected benefits to the government of the commercial approach. Both teams need to adjust."

Read more of this story at Slashdot.

Categories: Technology

Build Your Own Hanging Bike Storage for 1/4 the Price

Lifehacker.com - 6 hours 7 min ago

Storing bikes inside is tough, especially when you have more than 2 or 3. This DIY solution will store up to six bikes against the wall, and still provide easy access without breaking the bank.

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"A software engineer living in Washington state may have no choice but to sell the home he bought la

Lifehacker.com - 6 hours 22 min ago

"A software engineer living in Washington state may have no choice but to sell the home he bought last December because, despite repeatedly checking with Comcast before he even considered buying the property, the company just can't (or won't) give him internet service." [Gawker ]

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Keep Your Bra Straps Hidden With a Paper Clip

Lifehacker.com - 6 hours 37 min ago

Not all tops are made for traditional bras. Sure, you could always wear a strapless bra. You can buy specialty clips that hide your straps, too. But if you don’t have either, or you’re in a pinch, a simpler option is to just use a paper clip.

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Github Under JS-Based "Greatfire" DDoS Attack, Allegedly From Chinese Government

Slashdot - 6 hours 38 min ago
An anonymous reader writes: During the past two days, popular code hosting site GitHub has been under a DDoS attack, which has led to intermittent service interruptions. As blogger Anthr@X reports from traceroute lists, the attack originated from MITM-modified JavaScript files for the Chinese company Baidu's user tracking code, changing the unencrypted content as it passed through the great firewall of China to request the URLs github.com/greatfire/ and github.com/cn-nytimes/. The Chinese government's dislike of widespread VPN usage may have caused it to arrange the attack, where only people accessing Baidu's services from outside the firewall would contribute to the DDoS. This wouldn't have been the first time China arranged this kind of "protest."

Read more of this story at Slashdot.

Categories: Technology

What Marijuana Actually Does to Your Brain and Body

Lifehacker.com - 7 hours 7 min ago

Marijuana. Pot. Weed. Whatever you call it, it's the most popular illegal drug in the world, gaining support for legalization for both medicinal and recreational purposes. But what does marijuana actually do to us? Let's take a look at this fascinating drug, its health effects, and potential concerns about using it.

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Quebec Plans To Require Website Blocking, Studies New Internet Access Tax

Slashdot - 7 hours 20 min ago
An anonymous reader writes: Michael Geist reports that the Government of Quebec released its budget (PDF) yesterday featuring two Internet-related measures that are sure to attract attention and possible litigation. First, it is moving forward with plans to study a new tax on residential Internet services in order to provide support for the cultural sector. Second, the government says it will be introducing a new law requiring ISPs to block access to online gambling sites. The list of blocked sites will be developed by Loto-Quebec, a government agency. The government views this as a revenue enhancing measure because it wants to channel gamblers to its own Espacejeux, the government's own online gaming site.

Read more of this story at Slashdot.

Categories: Technology

If You Turned 65 Last Year, Consider the Standard Deduction on Your Taxes

Lifehacker.com - 7 hours 22 min ago

If you turned 65 last year, you have a tax break coming your way. The standard deduction for people 65 and over has gone up from $6,300 to $7,850 for single filers. If you normally itemize your deductions, it may be time to reconsider.

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