Gaze-tracking software to keep your screen secret

row of computersSick of people shoulder-surfing while you use your computer? A new suite of gaze-tracking software could be just what you’re looking for – it authenticates you by the patterns of motion in your eyes on the screen, and shows garbled text to anyone other than you:

Chameleon uses gaze-tracking software and camera equipment to track an authorized reader’s eyes to show only that one person the correct text. After a 15-second calibration period in which the software essentially “learns” the viewer’s gaze patterns, anyone looking over that user’s shoulder sees dummy text that randomly and constantly changes.

To tap the broader consumer market, Anderson built a more consumer-friendly version called PrivateEye, which can work with a simple Webcam. The software blurs a user’s monitor when he or she turns away. It also detects other faces in the background, and a small video screen pops up to alert the user that someone is looking at the screen.

Crafty. If the system gets cheap enough, we’ll see internet cafes start to offer private browsing as their unique selling point… although if you’re worried about people seeing what you’re looking at, you probably shouldn’t be doing it in an internet cafe to start with. [via Bruce Schneier; image by Kevin Zollman]

Tagging and tracking the trash

dumpsterEver wondered where your rubbish goes when it leaves your house? The New Scientist people obviously have, and so they’re teaming up with MIT to find out:

The team behind the experiment, MIT’s Senseable City lab, led by Carlo Ratti, have made a device that is about the size of a small matchbox and that works like a cell phone – without the phone bit. A SIM card inside the chip blips out its location every 15 minutes, the signal is picked up by local cell phone antennae and the chip’s location is relayed back to MIT.

Ratti’s team and New Scientist have already deployed a test run of 50 tracked items of trash ranging from paper cups to computers in Seattle. Several thousand more will be released in Seattle and New York garbage cans later this summer and we’ll chuck a batch into the London trash for good measure.

This should be an interesting experiment, and something like a first step toward Chairman Bruce’s “spimes” – objects whose entire life-cycle – cradle to grave, as they say – is trackable and searchable. Perhaps, when we have a better understanding of what happens to all the stuff we throw away and instantly forget, we’ll stop being so casual about our throw-away culture – and about the manufacturing and packaging practices of the companies we buy things from. As New Scientist puts it:

Think of what happens when the garbage men go on strike. We complain that they’re not doing their job – but where did all that trash come from to begin with?

[image by mugley]

eROCKIT – 50mph electro-assist bicycle

File under “wow, gimme one of those!” – the eROCKIT bike is described by its creators as “a new vehicle category, the human-machine-hybrid”. A trifle hyperbolic, perhaps, but it’s still pretty awesome. Watch:

The eROCKIT bridges the gap between the regular two wheeler categories. On one side the muscle-powered two wheelers, on the other side, the motorcycles. The eROCKIT concept requires a continuous muscle deployment from the rider. The vehicle’s electronic system multiplies this muscle power and deploys it as vehicle propulsion.

For the first time in the history of vehicle construction, the driver’s physical power becomes just as relevant for driving dynamics and speed as technical vehicle properties and engine power.

Send me one for review, please! Because I sure as hell can’t afford the €33,000 price tag… [via NextBigFuture]

Sifting city water for illegal drugs

methThe conclusions may not be surprising, but the method of discovery is intriguing. Oregon State researchers sampled municipal wastewater before it was treated to create a map of drug excretion.

The study looked at 96 communities, representing about 65% of Oregon’s population. It measured levels of methamphetamine, MDMA (ecstasy), and BZE, a cocaine metabolite.

They found that the index loads of BZE were significantly higher in urban areas and below the level of detection in some rural areas. Methamphetamine was present in all municipalities, rural and urban. MDMA was at quantifiable levels in less than half of the communities, with a significant trend toward higher index loads in more urban areas.

The researchers expect their method can help map patterns of illegal drug use. Next step is to find the best method to get a reliable annual reading.

[Image: sashafatcat]

Long lived flies

flyA company called Genescient is developing a method for finding genes that affect human longevity using the power of the gene:

Genescient has identified over 100 gene networks (∆’s) that are altered in long lived strains of Drosophila melanogaster and that are also linked to longevity and age-related diseases in humans.

Genescient has sophisticated software that cross links gene function in Drosophila with possible human therapeutics for age-related diseases. Drosophila is an excellent model system of aging and age-related disease that has many genetic pathways that are highly conserved in humans. Therefore, therapeutic substances that act on genetic pathways in Drosophila often work similarly in humans.

It is truly exciting to live in this era when increasing human longevity is a serious area of research.

[via Next Big Future][image from AmpamukA on flickr]