Is Algebra Necessary?; World's First 3D-Printed Gun

Editor's Note: Got a great idea for a video you want to see on Slashdot? We want to know about it. Email us at video@slashdot.org to share your smart, funny, brilliant ideas. Don't miss a single issue of this newsletter. Add slashdot@newsletters.slashdot.org to your address book. Preempting Sexual Harassment In the Workplace? Is Algebra Necessary? Valve Wants to Port Games to Linux to Avoid Windows 8 'Catastrophe' The World's First 3D-Printed Gun Global Warming Is Real and Man-Made, New Study Finds Hot Comment: Blackmarket Buckyballs From the Vault: Do We Really Need Space Weapons? Watch It: Building Laser-Cut Crossbows  Preempting Sexual Harassment In the Workplace? zwei2stein is expecting a new female colleague to join a team of 10 men at work and asked for advice on simple and possibly fun ways to prevent sexual harassment. And as usual, Slashdotters were generous with their words of wisdom. Sound Off>> Is Algebra Necessary? Andrew Hacker, a professor of Political Science at the City University of New York and author claims mathematics requirements are prematurely and unreasonably limiting the level of education available to otherwise capable students. Sound Off>> Valve Wants to Port Games to Linux to Avoid Windows 8 'Catastrophe' Gabe Newell, co-founder and managing director of the video game development and online distribution company Valve, wants to port 2,500 game titles on Linux because he says Windows 8 is a catastrophe for everyone in the PC space. Sound Off>> The World's First 3D-Printed Gun HaveBlue from the AR-15 forum has become the first person to construct a pistol partly made out of plastic, 3D-printed parts. The gunsmith also reportedly fired 200 rounds without any sign of wear and tear. Sound Off>> Global Warming Is Real and Man-Made, New Study Finds Prominent climate-change denier Richard Muller admits he's wrong and says after following intensive research effort involving a dozen scientists he's now a "converted skeptic," adding that humans are almost entirely the cause of global warming. Sound Off>> Blackmarket Buckyballs "Soon we'll be battling the Buckyball cartels in the streets of America. I say end prohibition now!" --by fustakrakich Read More>> Do We Really Need Space Weapons? Seven years ago, Michael Krepon, director of the Stimson Center's Space Security Project, said space weapons to disable, jam, and even destroy enemy satellites isn't necessary. He argues that developing such weapons is a surefire way to launch a new space weapon race. Read More>> Building Laser-Cut Crossbows Slashdot TV Feature: Makerspace All Hands Active along with Eastern Michigan University are teaching kids how to use math and science to build everything from rockets to bandanas. Here is a walk-through of the latest project--a crossbow made with laser cutters and cardboard. Watch the Video>> Follow Slashdot on Twitter and Facebook. To unsubscribe, click here or send an email to: unsubscribe-213087@elabs10.com To ensure delivery of this newsletter to your inbox and to enable images, please add slashdot@newsletters.slashdot.org to your e-mail address book or safe senders list. Slashdot | 594 Howard Street, Suite 300 | San Francisco, CA 94105 To view our Privacy Policy click here.