Sign of the times

ekim68

Mike
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Volocopter's massive cargo drone lifts off in public for the first time


Since introducing the VoloDrone in 2019, Volocopter has carried out regular test flights in closed airfields around Germany. Like the Volocopter itself, the giant drone uses 18 rotors, a battery and electric motors to hoist itself into the air, using a rail attachment system in between its landing gear to carry payloads of up to 200 kg (440 lb) over a 40-km (24-mile) range.


 

ekim68

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Zephyr S pseudo-satellite drone hits record altitude of 76,100 ft


Airbus' high-endurance stratosphere drone, the Zephyr S, has set a new altitude record for an Unmanned Aerial System (UAS) in its class, soaring to 76,100 ft (23,915 m) in the skies over Arizona during two flights totaling 36 days aloft.

The latest test flights of the solar-powered High Altitude Platform System (HAPS) were aimed at not only setting new records, but also the more practical goals of moving the Zephyr S to operational status.
 

ekim68

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People talk about the cost of that big federal bill but don’t know what’s in it. So we’ll tell you


The most glaring flaw in media coverage of Washington is that it focuses heavily on process and seldom on substance. That’s certainly been the case with coverage of the Build Back Better Act, the comprehensive reform package now being dickered over on Capitol Hill.

If you’re following the debate via the news, you probably have heard about the measure’s overall price tag, most often placed at $3.5 trillion; the media aren’t always careful to specify that that’s the estimate of spending over 10 years.
 

ekim68

Mike
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Joined
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58,236

ekim68

Mike
Thread Starter
Joined
Jul 8, 2003
Messages
58,236

12 Predictions for the Future of Music


Let me peer into my crystal ball, and predict the next decade in music. I’m brave (or foolhardy) enough to tell you what I see—but you may want to sit down first. If you earn your living from music, some of these changes might come as a shock.

But don’t blame me, I’m merely the messenger. It’s the bloody crystal ball that’s cranky.
 

ekim68

Mike
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Flexible alloy prevents steel corrosion and repairs itself when damaged


Scientists at Rice University have cooked up a new alloy with a unique and diverse set of attributes that could prove highly effective at protecting steel from corrosion. The novel coating not only prevented rusting in submerged slabs of common steel, but is flexible and proved capable of healing itself when damaged.

The new anti-corrosion coating is made of a lightweight sulfur-selenium alloy, and according to the material scientists behind it, combines desirable qualities from currently available solutions. This means an ability to block moisture and chlorine like zinc- and chromium-based coatings, an ability to protect steel under seawater-like conditions like polymer-based coatings, and an ability to fend off microbe-induced corrosion.

 

ekim68

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The Amazon's Little Tipping Points

Some scientists fear we are nearing a point of no return in the Amazon rainforest, which exerts power over the carbon cycle like no other terrestrial ecosystem on Earth. Evidence is mounting that in certain areas, localized iterations of irreversible damage may already be happening. Reuters has tracked three decades-long observations of the region to give a real-world view of degradation once only predicted by computer simulations.
 

ekim68

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Elon Musk’s Boring Company gets green light for Las Vegas tunnel system


Elon Musk’s Boring Company just won approval from local officials to move forward with building a network of vehicle tunnels underneath Las Vegas. Dubbed the “Vegas Loop,” the system will allow passengers to hitch rides in Teslas to and from places like the hotel casinos on the Las Vegas Strip, the city’s new football stadium, the Las Vegas Convention Center, and McCarran International Airport.
 

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