Caltech Scientists Use DNA Tiles To Play Tic-Tac-Toe at the Nanoscale

An anonymous reader shares a report: An innovation at Caltech allows scientists to play a virtual “tic-tac-toe” game with individual strands of DNA, providing a new way to experiment with DNA sequencing and create custom patterns. According to ArsTechnica, the technique was dubbed “DNA Origami [paper; PDF]” by its creator Lulu Qian and is considered by Caltech fellows to be a “huge advancement” in the field of nanotechnology (manipulation of…

January 1, 2019
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Experts say Facebook’s opaque approach toward flagging possible suicide threats to police around the world may not be accurate, effective, or safe (Natasha Singer/New York Times)

January 1, 2019

Natasha Singer / New York Times: Experts say Facebook’s opaque approach toward flagging possible suicide threats to police around the world may not be accurate, effective, or safe  —  A police officer on the late shift in an Ohio town recently received an unusual call from Facebook.  —  Earlier that day … Source: http://www.techmeme.com

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The Old Guard of Mac Indy Apps Has Thrived For More Than 25 Years

Glenn Fleishman, writing for MacWorld: It seems like it was only yesterday that I first used BareBones Software’s BBEdit, but in actuality, yesterday is so far away — 25 years, in fact. With all the twists and turns across more than two decades of Apple as a company, Mac hardware, and the underlying operating system, you might think that BBEdit stands alone as a continuously-developed app shepherded largely or exclusively…

January 1, 2019
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Chrome on Windows 10 To Get Dark Mode Feature Soon

Last year, Google pushed ‘dark mode’, a feature that replaces the shiny, whitespace background on a web page with a dark color, to its Android operating system and YouTube service. The company is now working to expand the feature to Chrome’s Windows 10 application. Peter Kasting, a Chrome developer, confirmed the move in response to a user’s query on a Reddit thread. He said a “native dark mode support is…

January 1, 2019
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Australian Autonomous Train is Being Called The ‘World’s Largest Robot’

schwit1 shares a report: Mining corporation Rio Tinto says that an autonomous rail system called AutoHaul that it’s been developing in the remote Pilbara region of Australia for several years is now entirely operational — an accomplishment the company says makes the system the “world’s largest robot.” “It’s been a challenging journey to automate a rail network of this size and scale in a remote location like the Pilbara,” Rio…

January 1, 2019
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NASA Spacecraft Confirms Successful Flyby of Distant Solar System Object

NASA received a critical signal from one of its most distant spacecrafts this morning, confirming that the vehicle has just flown by a tiny frozen rock in the outer reaches of the Solar System. From a report: That space probe, named New Horizons, has now made history. Currently located more than 4 billion miles from Earth, the spacecraft has now whizzed past the most distant — and most primitive —…

January 1, 2019
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Economists Calculate the True Value of Facebook To Its Users in New Study

A series of auctions revealed that Facebook users value the company’s service so highly that it would take on average more than $1,000 to convince them to deactivate their accounts for a year, according to a recent paper published in PLOS One. From a report: This doesn’t mean much for the company’s stock market valuation, but it’s a good indicator that people find value in Facebook regardless of the many…

January 1, 2019
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Mark Zuckerberg-Funded Researchers Test Implantable Brain Devices

Mark Zuckerberg and his pediatrician wife Priscilla Chan have sold close to 30 million shares of Facebook to fund an ambitious biomedical research project, called the Chan Zuckerberg Initiative (CZI), with a goal of curing all disease within a generation. A less publicized component of that US$5 billion program includes work on brain-machine interfaces, devices that essentially translate thoughts into commands. From a report: One recent project is a wireless…

January 1, 2019
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