Boston Dynamics Is Selling its 70-Pound Robot Dog To Police Departments

The New York Times reports on what the city’s police department calls Digidog, “a 70-pound robotic dog with a loping gait, cameras and lights affixed to its frame, and a two-way communication system that allows the officer maneuvering it remotely to see and hear what is happening.”
Police said the robot can see in the dark and assess how safe it is…

What is a quasar?

A quasar is an extremely bright and distant point-like source visible to radio telescopes. The source is a so-called Active Galactic Nucleus, fueled by a supermassive black hole. Source: https://earthsky.org/astronomy-essentials/definition-what-is-a-quasar…

Brave Privacy Bug Exposed Tor Onion URLs To Your DNS Provider

Brave Browser had a privacy issue that leaked the Tor onion URL addresses you visited to your locally configured DNS server, “exposing the dark web websites you visit…”, writes Bleeping Computer. Long-time Slashdot reader AmiMoJo quotes their report: To access Tor onion URLs, Brave added a “Private Window with Tor” mode that acts as a proxy to the Tor network. When…

Experian Challenged Over Massive Data Leak in Brazil

Experian may be in trouble again — this time in Brazil. ZDNet reports on “the emergence of a leak that exposed the personal data of more than 220 million citizens and companies, which is being offered for sale in the dark web.” After receiving feedback from Experian over a massive data leak in Brazil, São Paulo state consumer rights foundation Procon…

Texas Was ‘Seconds and Minutes’ Away From Catastrophic Monthslong Blackouts, Officials Say

Texas’ power grid was “seconds and minutes” away from a catastrophic failure that could have left Texans in the dark for months, officials with the entity that operates the grid said yesterday. Texas Tribune reports: As millions of customers throughout the state begin to have power restored after days of massive blackouts, officials with the Electric Reliability Council of Texas, or…

Dark streaks on Mars may be caused by salts and melting ice

Researchers at the SETI Institute say that unusual dark streaks on sun-facing slopes on Mars, debated about for years, may be small landslides caused by a combination of salts and melting ice just below the surface. Source: https://earthsky.org/space/mars-dark-streaks-melting-ice-recurring-slope-lineae…

Can Dark Matter Be Explained By a Link to a Fifth Dimension?

The standard model of physics can’t accommodate some observed phenomena, notes Popular Mechanics. Yet “In a new study, scientists say they can explain dark matter by positing a particle that links to a fifth dimension.” While the “warped extra dimension” (WED) is a trademark of a popular physics model first introduced in 1999, this research, published in The European Physical Journal…

NASA is about to land a helicopter on Mars that might glow in the dark

NASA’s Perseverance rover is due to touch down on Mars on 18 February, and it is carrying the first helicopter to attempt a flight on another planet. Now it seems the tiny drone may also glow in the dark when it flies Source: https://www.newscientist.com/article/2267676-nasa-is-about-to-land-a-helicopter-on-mars-that-might-glow-in-the-dark/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…

Camera captures the Southern Pinwheel galaxy in glorious detail

Astronomy enthusiasts might wonder why a camera called the Dark Energy Camera (DECam) would be used to image a single spiral galaxy. DECam has in fact already finished its main job, as the instrument was used to complete the Dark Energy Survey, which ran from 2013 to 2019. Like many people, rather than enjoying a quiet retirement, DECam is remaining occupied….

They Stormed the Capitol. Their Apps Tracked Them

In 2019 two New York Times opinion writers obtained cellphone app data “containing the precise locations of more than 12 million individual smartphones for several months in 2016 and 2017.” (It’s data that they say is “supposed to be anonymous, but it isn’t. We found celebrities, Pentagon officials and average Americans.”) Now they’ve obtained a remarkable new trove of data, “this…