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Prosecutors say they have unearthed forensic evidence that shows how a former computer security official for a state lottery association let him rig drawings worth millions of dollars across five states using unauthorized code that tampered with a random number generator used to pick winning tickets.

Eddie Raymond Tipton was charged last April and eventually convicted. Prosecutors said the man used his position as information security director of the Multi-State Lottery Association to access a room that housed the random number generator. But until recently, they weren't able to prove exactly how Tipton went about modifying the code so it produced predictable outputs that could be used to pick winning tickets.

According to an article published by the Associated Press, here's how it worked:

The Dragon spacecraft sits atop the Falcon 9 rocket in preparation for launch on Friday, (credit: SpaceX)

A little more than nine months after the loss of its Dragon spacecraft during a cargo flight to the International Space Station, SpaceX is ready to set matters right. On Wednesday, the company completed a successful static firing of its Falcon 9 rocket engines, and a Thursday readiness review found all systems were go for a launch on Friday afternoon.

The resupply flight will carry 3,136kg of cargo to the station inside the Dragon capsule, including the 1,413kg Bigelow Expandable Activity Module. And while there has been some excitement about the potential for expandable habitats in space, which may lead to much larger living quarters for human activity, much of the anticipation for Friday's launch again revolves around whether SpaceX will make a historic landing on a drone ship at sea. Launch is scheduled for 4:43pm ET (9:43pm BST) on Friday.

During a news conference on Thursday, Hans Koenigsmann, a senior launch official with SpaceX, said the company has learned from previous attempts to gently set the Falcon 9 down at sea. Nevertheless the procedure remains a tricky one, given that SpaceX is trying to land a 70-meter tall rocket stage in the middle of the ocean after it has flown into space at six times the speed of sound. "I certainly hope we're going to nail the landing this time," Koenigsmann admitted.

(credit: Dustin Moore)

AT&T and Verizon Wireless now charge $20 fees when customers upgrade their mobile devices, with one notable difference: AT&T charges the fee even when customers bring their own phones to the network instead of buying devices from the carrier.

Verizon started charging a $20 upgrade fee on Monday this week, matching the $20 fee it introduced in November for customers activating new lines. MacRumors published a leaked memo, which said the upgrade fee applies when customers buy their phones from Verizon—whether they pay full retail price or make monthly payments on an installment plan—and also when customers enroll in Apple's iPhone upgrade program. Verizon won't charge an upgrade fee when customers supply their own equipment. (A $40 upgrade fee still applies when people get an old-fashioned two-year contract.)

Verizon's memo compared its own upgrade fees to those of other carriers, noting that T-Mobile doesn't charge a fee, while Sprint charges $30 and AT&T was charging $15.

The Windows 10 Anniversary Update, coming this summer, will change how Flash works in the Edge browser.

Flash content that's deemed to be not central to a page—advertisements and peripheral animations—will be paused automatically on visiting a page. To make the content work, it will have to be clicked first. Videos, games, and similar important content should work without changes.

Google announced an equivalent change to Chrome last year. Since September 2015, Chrome too has tried to pause non-essential Flash content. Google's argument was that this behavior would be much better for battery life and that stopping ads from playing would make the browser less of a power hog. Microsoft also suggests that battery life will improve, but the company is positioning the change as more of a standards-compliance issue. Microsoft says that there are now many standardized alternatives to Flash and that developers should continue to adopt these technologies and phase out their use of Adobe's proprietary platform.

(credit: Addi and Cassi Fund)

Two parents’ quest to save their twin daughters’ lives from a rare, degenerative genetic disorder may end up saving and improving the lives of millions.

After digging through medical literature and fitting pieces of data together, the non-medically trained couple contacted German researchers and suggested that a chemical called cyclodextrin may be able to treat atherosclerosis—the hardening of arteries with cholesterol-rich plaques, which is a precursor to heart attack, stroke, and other cardiovascular diseases.

The researchers, Eicke Latz at the University of Bonn and colleagues, followed up on the parents’ hypothesis and found that in mice, cyclodextrin indeed blocked plaque formation, melted away plaques that had already formed in arteries, reduced atherosclerosis-associated inflammation, and revved up cholesterol metabolism—even in rodents fed cholesterol-rich diets. In petri dish-based tests, the researchers found that the drug seemed to have the same effects on human cells and plaques.

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Some Tuesday morning listeners of KIFT, a Top 40 radio station located in Breckenridge, Colorado, were treated to a radically different programming menu than they were used to. Instead of the normal fare from Taylor Swift, The Chainsmokers, or other pop stars, a hack by an unknown party caused one of the station's signals to broadcast a sexually explicit podcast related to the erotic attraction to furry characters. The unauthorized broadcast lasted for about 90 minutes.

KIFT wasn't the only station to be hit by the hack. On the same day, Livingston, Texas-based country music station KXAX also broadcast raunchy furry-themed audio. And according to an article posted Wednesday by radio industry news site RadioInsight.com, the unauthorized broadcasts from a hobbyist group called FurCast were also forced on an unnamed station in Denver and an unidentified national syndicator.

"All in all the FurCast aired for an hour, possibly two," Jason Mclelland, owner and general manager of the KXAX Radio Group, wrote in an e-mail. "During that time they talked about sex with two guys and a girl in explicit details and rambled on with vulgar language not really having much of a point to the podcast. I'm assuming there was no real reason for this hack."

Ariel Waldman/Chronicle Books

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Designer and citizen scientist Ariel Waldman has been obsessed with space for quite a while. While working for NASA, she founded Spacehack, a group for citizen scientists who want to participate in space observation with DIY satellites, astro data-crunching apps, and more. In 2013, she was appointed to the National Academy of Sciences Committee For Human Spaceflight.

Now she's written What's It Like in Space?, a delightful mini-coffee table book about all the awkward and beautiful moments you can have in space, based on dozens of interviews with people who have actually been there. We've got a gallery of pages from the book, which combines art with short observations to create an experience that people of all ages can enjoy.

This is the perfect book to fill your brain with wonder and remind you that going to space isn't all about watching our beautiful blue marble and discovering amazing new things. Sometimes it's about mopping pee out of your spacesuit or finding a comfortable sleeping position while strapped to a wall in zero-G. Waldman balances the breathtaking glory of spacewalks with everyday life on the ISS. And along the way, you'll learn that astronaut ice cream is a lie. A lie!

Amazon CEO Jeff Bezos. (credit: Dan Farber)

Amazon Web Services (AWS) will become a $10 billion business this year, Amazon CEO Jeff Bezos said in a letter to shareholders this week.

While Amazon as a whole "became the fastest company ever to reach $100 billion in annual sales" in 2015, Amazon Web Services will hit the $10 billion mark "at a pace even faster than Amazon achieved that milestone," Bezos wrote. AWS is used by more than 1 million people from "organizations of every size across nearly every industry," he wrote.

AWS launched in March 2006 with the Simple Storage Service (S3). It expanded with the Elastic Compute Cloud (EC2) a few months later, letting customers rent virtual machines over the Internet. The service allowed developers to obtain computing capacity on demand without having to operate their own servers, and over the years many startups have built online businesses with Amazon's data centers and services providing the back-end infrastructure. It's not just small companies relying on Amazon, though, as big names like Adobe, Capital One, GE, MLB Advanced Media, Netflix, and Pinterest use the online platform.