This Amazingly Simple Technique Lets You Learn Anything in 5 Minutes and Remember It Forever | U.S. Marines Strapped a Rocket Launcher to a Robot Dog You Can Buy on Amazon | A landslip in Hong Kong fuels resentment of the rich | Traces of Oldest and Largest Solar Storm Found in Buried French Forest

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This Amazingly Simple Technique Lets You Learn Anything in 5 Minutes and Remember It Forever - Inc.com

Want More Engaged Employees? Let Them Meditate on the Job With Deepak Chopra, This Startup Says

If you're struggling to master a complex topic, a new language, or anything else that seems to strain your brain, Michael Nielsen has a suggestion for you: Try flashcards. Nielsen is a scientist and a research fellow at Y Combinator, and he's written books on such brain-straining topics as quantum computing and neural networks.

In a recent series of tweets, he explains his process and why he finds flashcards so useful. Silicon Valley insiders have been passing his advice along and asking for details about how he does it.

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U.S. Marines Strapped a Rocket Launcher to a Robot Dog You Can Buy on Amazon -

U.S. Marines strapped a rocket launcher to an off-the-shelf robot dog and fired it remotely in September. The demonstration was part of a demonstration at the Marine Air Ground Task Force Training Command’s Tactical Exercise Control group in Twentynine Palms, California. There’s a video of the exercise.

As first reported by The Warzone, members of the U.S. Navy’s Office of Naval Research (ONR) were at Twentynine Palms to demonstrate the rocket-launching dogs as part of a proof-of-concept demonstration. Companies like Boston Dynamics and Ghost Robotics are pioneering the use of robot dogs for domestic and military use, but that’s not what ONR brought to Twentynine Palms. No, the dog they used was the relatively cheap Chinese-made Unitree Go1, which anyone can buy on Amazon for about $5,000.

“It’s important to note that this is not a mil spec platform,” an unnamed Marine from ONR says in the video. “This is not what we would issue to Marines, this is a test platform for ONR.” The people test driving the robot dog called it a goat.

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A landslip in Hong Kong fuels resentment of the rich - The Economist

THE MILLIONAIRES of Redhill Peninsula, a posh coastal community in Hong Kong, are a little poorer than they were. Last month a supertyphoon named Saola brought the city rainfalls heavier than any this century. At Redhill, a big chunk of sodden earth slipped into the sea. Though the landslip mostly spared surrounding houses, it exposed basements that had been dug without permission and that may have contributed to the collapse. Prompted by journalists, the government began an investigation, which is still going on. By October 6th it had found a dozen houses in the area that broke rules in some way.

Hong Kong’s systems of planning often look dysfunctional. One guess is that as many as one in four properties in the territory have been altered or extended without the right permissions. Canopies on flat roofs create room for recreation. External balconies are walled in. And landlords have been chopping their buildings into ever-smaller, “subdivided” apartments. Ten years ago a government report said that widespread disregard for planning rules and building regulations could “cause injuries and fatalities”.

The liberties taken by Hong Kong’s richest residents are often the largest—and, given the cramped quarters most Hong Kongers put up with, the ones that most often cause a stir. Gardens and swimming pools sometimes sprawl beyond a property’s registered boundaries. Three-story extensions go up without the proper permits. Liber Research Community, an NGO, identifies some 170 homes in eight rich neighbourhoods that it believes have spread into more space than they are entitled to. In some cases, it says, the overspill covers a larger area than the official plot.

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Traces of Oldest and Largest Solar Storm Found in Buried French Forest - Scientific American

An enormous “Miyake event”—a bombardment of Earth by particles from the sun—hit 14,300 years ago. Such an event today would have devastating effects

Some 14,300 years ago, a pine forest in France bore witness to an event that has never been experienced in modern times: a bombardment of solar particles that was so fierce that it would likely knock out communications satellites and fry power grids across the globe if it were to happen today. “It would be a catastrophe,” says Edouard Bard, a climatologist at the Collège de France in Paris, who led a new study that discovered the ancient event.

Bard and his colleagues made their finding by analyzing tree rings in a buried forest, exposed at the edge of riverbeds in the French Alps. The signs they uncovered point to what’s called a “Miyake event,” named after Fusa Miyake, a physicist at Nagoya University in Japan, who first discovered traces of another such event in tree rings from C.E. 774. Because no one has witnessed a Miyake event in modern times, scientists aren’t certain of their cause, but researchers believe they represent bombardments of high-energy protons from the sun. Smaller versions of such events, known as solar energetic particle (SEP) events, have been observed in the modern era. They usually occur alongside a broader array of activity on the sun’s surface, including solar flares, which are bursts of electromagnetic radiation, and coronal mass ejections (CMEs), which are eruptions of magnetized plasma.

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