Want to read Slashdot from your mobile device? Point it at m.slashdot.org and keep reading!

 



Forgot your password?
typodupeerror
×
Earth

Submission + - NASA's Sky Crane - So Crazy It Just Might Work (motherboard.tv) 1

HansonMB writes: Aside from the Earth, Mars is the easiest planet in our solar system on which to land; there isn’t a crushing superheated atmosphere like on Venus, and there is a solid surface, unlike gas giants like Jupiter and Saturn. That said, it’s still pretty tough. More than half of all missions sent to land on the red planet have merely made craters. Spacecraft on Mars have used some pretty inventive methods to reach the surface unscathed, and the next system is by far the most intricate and insane: a novel device called the Sky Crane will lower the Mars Science Laboratory’s rover Curiosity to the red planet’s surface next summer. It’s the kind of solution that, once you really think about it, realize that it’s so crazy it just might work.

The main challenge of landing on Mars is that it isn’t Earth. With one-third the gravity and an atmosphere one percent as thick as Earth’s, a spacecraft falling to the surface doesn’t meet much resistance. As so, engineers at NASA’s Jet Propulsion Laboratory have come up with some creative solutions to effect a soft landing on Mars.

Google

Submission + - Google+ Gets a "+1 for Browser Security (barracudalabs.com)

An anonymous reader writes: "Launching a new Web app today comes with a few certainties, and one of them is, “I will be a target for hackers” for sure. So when an app as large and as high profile as Google+ launches, it will surely be one of the top targets for malicious activity. This happened to Facebook the more popular it grew and it still is a favorite platform for malicious activity. I did some analysis of the HTTP traffic between Google+ and the browser and found that Google is off to a good start in regards to browser security. Below are several take-aways"
Education

Submission + - Most People Have Never Heard of CTRL+F 1

Hugh Pickens writes writes: "Google search anthropologist Dan Russell says that 90 percent of people in his studies don't know how to use CTRL/Command + F to find a word in a document or web page. "I do these field studies and I can't tell you how many hours I've sat in somebody's house as they've read through a long document trying to find the result they're looking for," says Russell, who has studied thousands of people on how how search for stuff. "At the end I'll say to them, 'Let me show one little trick here,' and very often people will say, 'I can't believe I've been wasting my life!'" Just like we learn to skim tables of content or look through an index or just skim chapter titles to find what we're looking for, we need to teach people about this CTRL+F thing says Alexis Madrigal. "I probably use that trick 20 times per day and yet the vast majority of people don't use it at all," writes Madrigal. "We're talking about the future of almost all knowledge acquisition and yet schools don't spend nearly as much time on this skill as they do on other equally important areas.""
Quake

Submission + - Notch Asks For Trial by Combat (tumblr.com)

Vrallis writes: As reported recently, Mojang AB, the creators of Minecraft, have been sued by Bethesda over the name of their latest project, Scrolls, citing a trademark infringement with their Elder Scrolls games. In his latest blog post, Notch, the founder of Mojang, has challenged Bethesda to a trial by combat. Specifically, a frag match in Quake 3.

Submission + - Suspect see wireless network FBI_SURVEILLANCE_VAN (tbo.com) 1

roccomaglio writes: The suspect who is accused of planning to bomb his high school in Tampa updated his status with the following.

  "The weirdest thing happened today...when my homie Nic Peezy was trying to connect to a wireless network the connections list came up and one of them was called: FBI_SURVEILLANCE_VAN"

The FBI might want to revisit their wireless network naming conventions.

Politics

Submission + - Starbucks CEO calling to end contributions (cnn.com)

halfEvilTech writes: Starbucks CEO Howard Schultz is fed up with Washington.

And he is doing something about it.

Spurred by what he describes as a failure of leadership on the part of lawmakers, Schultz is mounting a one-man bull rush against a political culture that has "chosen to put partisan and ideological purity over the well being of the people."

What does that mean? No more political donations — not for anybody.

And he's recruiting other CEOs to join him.

Comment Re:BART really doesn't like dissenting voices (Score 1) 196

Second where does someones rights end? Why do the protesters rights to free speech matter more than peoples rights to use public transit? The protesters set out to shut down the stations. They have every right to protest outside the stations but once they interfere with people using the station they are violating others rights.

The police would be well within their rights to arrest people found to be breaking a law. However, they're not allowed to prevent people from assembling or exercising their free-speech rights, even if they suspect that these will lead to crimes being committed in the future.

Comment Re:Baby with the bathwater (Score 1) 196

You're absolutely correct: now people will remember the protest. They might be pissed off, but they'll know there was a protest, and there's a good chance they'll find out what the protest was about. It's a hell of a lot more effective than handing out pamphlets, or putting a card in BART's suggestion box.

Comment Re:It depends on contracts (Score 5, Informative) 243

Not true. The typical record label deal is essentially a loan: artists are given a lump sum of money up front, and then are under contract to produce and sell music. The record labels then take a cut of the sales, paying off the orginal forwarded money over time. From TFA:

Independent copyright experts, however, find that argument unconvincing. Not only have recording artists traditionally paid for the making of their records themselves, with advances from the record companies that are then charged against royalties, they are also exempted from both the obligations and benefits an employee typically expects.

“This is a situation where you have to use your own common sense,” said June M. Besek, executive director of the Kernochan Center for Law, Media and the Arts at the Columbia University School of Law. “Where do they work? Do you pay Social Security for them? Do you withdraw taxes from a paycheck? Under those kinds of definitions it seems pretty clear that your standard kind of recording artist from the ’70s or ’80s is not an employee but an independent contractor.”

Security

Submission + - Science fair entry shuts down airport (oregonlive.com) 2

OverTheGeicoE writes: A graduate student was returning home from a science fair in Omaha with his handmade entry in his carry-on luggage. When TSA discovered it they shut down the airport for several hours, until they could determine it was harmless. All of this has happened before, and all of this will happen again, so before you fly with your homemade Minty MP3 player make sure you take a look at TSA Blogger Bob's warning or it could wind up looking like this.
Data Storage

Submission + - Start-Up's 'Stone-Like' Optical Disc Lasts Forever (computerworld.com)

CWmike writes: "Start-up Millenniata and LG plan to soon release a new optical disc and read/write player that will store movies, photos or any other data forever. The data can be accessed using on any current DVD or Blu-ray player. The M-Disc can be dipped in liquid nitrogen and then boiling water without harming it. It also has a Defense Department study backing up the resiliency of its product (PDF document) compared with other leading optical disc competitors. The company would not disclose what material is used to produce the optical discs, referring to it only as a 'natural' substance that is 'stone-like.' Like DVDs and Blu-ray discs, the M-Disc platters are made up of multiple layers of material. But there is no reflective, or die, layer. Instead, during the recording process a laser 'etches' pits onto the substrate material."

Submission + - The Mathematics of Lawn Mowing 4

Hugh Pickens writes writes: "I enjoy mowing my six acre lawn with my John Deere 757 zero-turn every week and over the course of the last five years of mowing I have come up with my own most efficient method of getting the job done which takes me about three hours. While completing my task this morning, I decided after I finished to research the subject to discover if there is a method for determining the most efficient path for mowing and found that Australians Bunkard Polster and Marty Ross wrote last summer about an elegant mathematical presentation of the problem of mowing an irregularly shaped area as efficiently as possible. First we simplify our golf course mowing problem by covering the course with an array of circles with each circle radius equal to the width of the mower disc. Connecting the centers of the circles produces an equilateral triangular grid, with vertices at the circle centers. Following a path consisting of grid edges, there will necessarily be a fair amount of overlap so the statement of the problem is to minimize the overlap by minimizing the number of vertices that are visited more than once which Polster and Ross say is easily achieved by well-known computer search algorithms. Any other tips from slashdot readers?"

Slashdot Top Deals

Real Programmers don't eat quiche. They eat Twinkies and Szechwan food.

Working...