An anonymous reader writes "Peter Jansen, a PhD student and member of the RepRap community, has constructed a working prototype of an inexpensive table-top laser cutter built out of old CD/DVD drives as an offshoot of his efforts to design an under $200 open-source Selective Laser Sintering (SLS) 3D printer. Where traditional laser cutters use powerful, fixed-focus beams, this new technique dynamically adjusts the focal point of the laser using a reciprocating motion similar to a reciprocating saw, allowing a far less powerful and inexpensive laser diode to be used. The technique is currently limited to cutting black materials to a depth of only a few millimeters, but should still be useful and enabling for Makers and other crafters. The end-goal is to create a hybrid inexpensive 3D printer that can be easily reconfigured for 2D laser cutting, providing powerful making tools to the desktop."

astroengine writes "Yesterday morning, at 08:55 UT, NASA's Solar Dynamics Observatory detected a C3-class flare erupt inside a sunspot cluster. 100,000 kilometers away, deep within the solar atmosphere (the corona), an extended magnetic field filled with cool plasma forming a dark ribbon across the face of the sun (a feature known as a 'filament') erupted at the exact same time. It seems very likely that both eruptions were connected after a powerful shock wave produced by the flare destabilized the filament, causing the eruption. A second solar observatory, the Solar and Heliospheric Observatory, then spotted a huge coronal mass ejection blast into space, straight in the direction of Earth. Solar physicists have calculated that this magnetic bubble filled with energetic particles should hit Earth on August 3, so look out for some intense aurorae — a solar storm is coming."

We previously discussed security researcher Chris Paget's plans to demonstrate practical cell phone interception at DefCon. Paget completed his talk yesterday, and reader suraj.sun points out coverage from Wired. Quoting: "A security researcher created a $1,500 cell phone base station kit (including a laptop and two RF antennas) that tricks cell phones into routing their outbound calls through his device, allowing someone to intercept even encrypted calls in the clear. Most of the price is for the laptop he used to operate the system. The device tricks the phones into disabling encryption and records call details and content before they are routed on their proper way through voice-over-IP. The low-cost, home-brewed device ... mimics more expensive devices already used by intelligence and law enforcement agencies — called IMSI catchers — that can capture phone ID data and content. The devices essentially spoof a legitimate GSM tower and entice cell phones to send them data by emitting a signal that's stronger than legitimate towers in the area. Encrypted calls are not protected from interception because the rogue tower can simply turn it off. Although the GSM specifications say that a phone should pop up a warning when it connects to a station that does not have encryption, SIM cards disable that setting so that alerts are not displayed. Even though the GSM spec requires it, this is a deliberate choice of the cell phone makers, Paget said."

MikeCapone writes "Scientists, using three NASA satellites, have created a first-of-its-kind map that details the height of the world's forests. The data was collected from NASA's ICESat, Terra and Aqua satellites. The latter two satellites are responsible for most of NASA's Gulf spill imagery. The data collected will help scientists understand how the world's forests both store and process carbon. While there are many local and regional canopy maps, this is the very first global map using a uniform method for measure."

sciencehabit writes with an intriguing story about the potential of figuring out where people have been by examining their hair: "That's because water molecules differ slightly in their isotope ratios depending on the minerals at their source. Researchers found that water samples from 33 cities across the United State could be reliably traced back to their origin based on their isotope ratios. And because the human body breaks down water's constituent atoms of hydrogen and oxygen to construct the proteins that make hair cells, those cells can preserve the record of a person's travels. Such information could help prosecutors place a suspect at the scene of a crime, or prove the innocence of the accused." Or frame someone by slipping them water from every country on the terrorist watchlist.

Stoobalou writes "Blizzard co-founder Frank Pearce reckons that fighting piracy with DRM is a losing battle. His company — which is responsible for one of the biggest video games of all time, the addictive online fantasy role player World of Warcraft — is to release StarCraft 2 on July 27, and Pearce has told Videogamer that the title won't be hobbled with the kind of crazy copy protection schemes that have made Ubisoft very unpopular in gaming circles of late. StarCraft 2 will require a single online activation using the company's Battle.net servers, after which players will be allowed to play the single-player game to their hearts' content, without being forced to have a persistent Internet connection."

nj_peeps writes "Harvard professor Hemant Thatte has developed a cocktail of 21 chemical compounds that he calls Somah, derived from the Sanskrit for 'ambrosia of rejuvenation.' Using Somah, Thatte and his team have accomplished some amazing feats with pig hearts. They can keep the organ viable for transplant up to 10 days after harvest — far longer than the four-hour limit seen in hospitals today. Not only that, but using low temperatures and Somah, they were able to take a pig heart that was removed post mortem and get it to beat 24 hours later in the lab."

Amigan writes "Over on Groklaw, PJ is reporting that an actual demonstration of the Amiga OS (circa 1988) on an Amiga A1000 may have been the turning point in the lawsuit of IP Innovation v. Red Hat/Novell."

fahrbot-bot tips a story of mad cow disease, a private meat packer that wants to test all of its beef for the disease, and the USDA, which controls access to the test kits and just won an appeals court ruling that the government has the authority to block testing above and beyond the 1% the agency performs. Creekstone Farms Premium Beef sought to test 100% of its beef, in order to reassure its export markets, especially Japan and South Korea, that its beef is safe. Large meat packers opposed any such private testing, because they feared they would be forced into 100% testing and would have to raise prices. The appeals court ruled, 2 to 1, that under a 1913 law, test kits that are used only after an animal is killed still constitute "diagnosis" and "treatment" — this for a disease that has no treatment and is 100% fatal — and therefore fall under the USDA's authority to regulate.

what about writes "Apparently there is a quick, simple, and undetectable way to grab all of your cellphone data. CNet reports on the Cellular Seizure Investigation (CSI) Stick, developed for law enforcement but available to the public, which 'connects to the data/charging port and will seamlessly grab e-mails, instant messages, dialed numbers, phone books and anything else that is stored in memory. It will even retrieve deleted files that have not been overwritten. And there is no trace whatsoever that the information has been compromised, nor any risk of corruption. This may be especially troublesome for corporate employees and those that work for government agencies.' I use mobile knox, a secure storage application, for my important data, but I would be very upset if somebody grabbed my telephone list, SMS, or anything else from my locked phone."