The March Of Technology

Anonymous-50446

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BMW are confident of Brexit failing/not happening?
BMW want to sell cars. I'm certain whatever the Brexit deal ends up being they'll still sell us cars. So will Mercedes. And Citroen. And Peugeot. And Volvo. And Alfa Romeo. And Saab.

One might negotiate a deal partly on the basis we'll not tax the crap out of those makers.
 

rynner2

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New diesel and petrol vehicles to be banned from 2040 in UK

New diesel and petrol cars and vans will be banned in the UK from 2040 in a bid to tackle air pollution, the government is set to announce.
Ministers will also unveil a £255m fund to help councils tackle emissions from diesel vehicles, as part of a £3bn package of spending on air quality.

The government will later publish its clean air strategy, favouring electric cars, before a High Court deadline.
Campaigners said the measures were promising, but more detail was needed.
They had wanted government-funded and mandated clean air zones, with charges for the most-polluting vehicles to enter areas with high pollution, included in the plans.

After a protracted legal battle, the government was ordered by the courts to produce new plans to tackle illegal levels of harmful pollutant nitrogen dioxide.

etc...

http://www.bbc.co.uk/news/uk-40723581
 

PeteByrdie

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It's good that they're giving us time to change over.
However, it could also be that they are kicking the can down the road to a government in the future.
The cynic in me suspects what they're actually doing is judging that by 2040 almost all manufacturers will be making mostly electric cars anyway, and then saying 'Ooh, look how environmentally committed we are! We're banning fossil fuel cars and vans by 2040!'
 

Anonymous-50446

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Secrets Of Silicon Valley
Jamie Bartlett uncovers the dark reality behind Silicon Valley's glittering promise to build a better world.

http://www.bbc.co.uk/programmes/b0916ghq

These two programmes are well worth a view. He interviews a lot of quite senior company people. The themes that emerge are a relentless desire to not actually address his concners, that despite the 'brave new world' idealism touted by the big players, that they are total hypocrites when it comes to paying their taxes, plus the rather frightening way in which social media has already been manipulated to change political landscapes.

It's possible to infer from amongst this, that the tech giants, google, facebook, think that they know whats best for us and are really seeking to supplant one political class with their own 'enlightened' version. They would, of course, be just as bad...

You'll be scurrying to delete your Facebook account.
 

Frasier Buddolph

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The single flight deck is in the right / starboard fuselage.

The analogous area in the left / port fuselage is used for data systems.

Stratolaunch's own diagram mentions flight crew being housed in the right / starboard fuselage alone.

It's the same general configuration (two fuselages; one flight control cockpit) used on the bizarro dual-bodied warplanes from the 1940's / 1950's.
Thought folks might like to see this video tour of where the Stratolaunch was built.

 

Vardoger

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Elon Musk does his best to give us the future we fantasized about in the childhood.

Elon Musk Claims That SpaceX Mars Rocket Can Fly Passengers Around the World in an Hour

By Omar Sohail
10 hours ago
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Does a 16-hour flight sound like an excruciating experience for you? Elon Musk has found a solution in the craziest idea possible, claiming at the International Astronautical Congress (IAC) that the SpaceX Mars rocket can also be used to carry around passengers around the world. Best of all, the entire distance traveled will come to an hour.

Concept Video Shows How Passengers Will Be Boarding a Ferry That Takes Them to the Floating Platform in New York for Hyper-Speed Travel
The rockets are referred to as BFRs, with the first stage of traveling through these rockets involving them flying down for landing and reuse, similar to what the Falcon 9 booster does now.

RELATEDIs the Tesla Short Play About to Come Good?
According to the video, it would take around 30 minutes for passengers to travel from New York to Shanghai, a trip which currently takes around 15 hours to complete, assuming that there are no layovers taking place. So how are these rockets able to reach from one point to the other in quick succession?

A speed of 18,000 miles per hour (or 27,000 kilometers an hour) that’s how; Musk says that you would be able to travel anywhere irrespective of how far the location is in an hour. Unfortunately, it is also the cost per trip that you will have to take into consideration because you’re probably wondering that these trips could cost a a few thousand dollars right?

Musk does not believe so and states that SpaceX is quite confident in its cost-saving measures. The billionaire entrepreneur clarified these costs that a ticket on the BFR would cost the same as an economy airline seat.


More at: http://wccftech.com/elon-musk-claim...n-fly-passengers-around-the-world-in-an-hour/
 

Mythopoeika

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Elon Musk and Jeff Bezos have got further along this track than any other private enterprise before them.
I just hope they don't run out of money in the process.

Edit: Oh yeah...I think Tesla may go out of business. Electric battery-powered cars is a 'blind alley' technology, and they can't make it cheap enough for us all to be owners.
Hyperloop is not going to happen. Musk should drop that expensive project.
 
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Anonymous-50446

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Edit: Oh yeah...I think Tesla may go out of business. Electric battery-powered cars is a 'blind alley' technology, and they can't make it cheap enough for us all to be owners.
^this^

Unless battery capacity jumps by a factor of ten for the same cost, it's not going to happen. Fuel cells might be better.
 

Trevp666

It was like that when I got here.........honest!!!
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Glad to see a success story for British engineering. The guys down at REL have been plugging away at this quietly for some time now and it looks like a significant milestone has been reached. I just hope that it leads to great things and isn't a technology that gets 'stolen' from them either by government interference or foreign business activity!

UK's Sabre space plane engine tech in new milestone
UK engineers developing a novel propulsion system say their technology has passed another key milestone.
The Sabre air-breathing rocket engine is designed to drive space planes to orbit and take airliners around the world in just a few hours.
To work, it needs to manage very high temperature airflows, and the team at Reaction Engines Ltd has developed a heat-exchanger for the purpose.
This key element has just demonstrated an impressive level of performance.
It has shown the ability to handle the simulated conditions of flying at more than three times the speed of sound.
It did this by successfully quenching a 420C stream of gases in less than 1/20th of a second.
(full story at link)
https://www.bbc.co.uk/news/science-environment-47832920
 

Vardoger

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This New Device Can Make Renewable Energy from the Cold Night Sky
By Elizabeth Howell a day ago Tech

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No sun? No problem.
A new thermoelectric device can generate electricity for an LED light bulb even during the blackest night, according to a report by researchers.
The secret is using a phenomenon known as radiative cooling, which happens when surfaces on the ground radiate heat into the atmosphere. This process can make a surface cooler than the air surrounding it, which explains why frost forms on grass even if the air temperature is above freezing.
Researchers say their device is a useful form of renewable energy, especially because lighting demand peaks at night. "Beyond lighting, we believe this could be a broadly enabling approach to power generation suitable for remote locations, and anywhere where power generation at night is needed," lead author Aaswath Raman, an assistant professor of materials science and engineering at the University of California, Los Angeles, said in a statement.

This New Device Can Make Renewable Energy from the Cold Night Sky
 

INT21

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..especially because lighting demand peaks at night. ..

Now you see the benefit of a proper education.
 

eburacum

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A single LED light bulb - all our problems are over!
 

hunck

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Hydrogen Powered Drones

Seems to depend on a claimed stable & solid form of hydrogen which doesn't need a high pressure container.

H2Go Power is seeking a patent to store the explosive gas cheaply and safely.

Until now, storing hydrogen required ultra-strong and large tanks which could withstand pressures of up to 10,000 pound-force per square inch (psi). That is hundreds of times greater than what you would find in a car tyre.

But, while studying for her PhD in Cambridge, Dr Enass Abo-Hamed came up with a revolutionary structure which could store hydrogen as a stable solid without compression.

"The pressure involved is similar to what you'd get in a coffee machine," she says.

widespread availability of renewable energy and improvements in electrolysis - the chemical process of separating elements using electricity - have brought down the financial and environmental cost of producing hydrogen for fuel.

Dr Abo-Hamed points out, even if their drone fell out of the sky, the hydrogen would remain stable in its solid form inside the reactor.

Hydrogen generates three times as much power per kilogram compared to fossil fuels - approximately 39.0 Kilowatt hours per kilogram compared with roughly 13 KWh per kg for kerosene or petrol or just 0.2 KhW for conventional lithium ion batteries.

That means a hydrogen-powered drone can fly further than a battery-powered drone and, potentially, carry heavier loads.
 

Mythopoeika

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Hydrogen Powered Drones

Seems to depend on a claimed stable & solid form of hydrogen which doesn't need a high pressure container.
There were experiments with encapsulation tech years ago, but that all went quiet. I'm guessing she picked up some of that old research and solved a few problems. Fantastic, if true - because hydrogen tech is definitely the way forward.
 

hunck

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Electric Aquaplaning Waterbike

Can reach speed of 12 mph. Going on sale this year at close to 6 grand.

<iframe width="560" height="315" src="
" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
 

Vardoger

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Electric Aquaplaning Waterbike

Can reach speed of 12 mph. Going on sale this year at close to 6 grand.

<iframe width="560" height="315" src="
" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
Rich man's toy. Can become more available when Chinese manufacturers copy the design, which they will.
 

Xanatic*

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Here's something that feels like the future. Scientists in Switzerland have created a device, which can keep a liver alive outside a human body for a week.

https://www.nature.com/articles/s41587-019-0374-x

It appears the liver can even regenerate and get healthier in the device. So perhaps you can take a part of someones liver, let it grow to full size and healthier and then use that to replace the original liver.
 

Mythopoeika

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Here's something that feels like the future. Scientists in Switzerland have created a device, which can keep a liver alive outside a human body for a week.

https://www.nature.com/articles/s41587-019-0374-x

It appears the liver can even regenerate and get healthier in the device. So perhaps you can take a part of someones liver, let it grow to full size and healthier and then use that to replace the original liver.
That is a major step forward! Wow.
 

GNC

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FT 309 mentioned these:

From two years ago, did anyone get a pair? I'm not sure of the point, don't you need your slippers in the last place you left them, like by your bed and not across the room? Or in a different room? And won't the wheels make you fall over, making, well, slipping in your slippers a problem?
 

hunck

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Scientists find out why leaves on the track causes travel chaos

When leaves are crushed against the tracks, they form a black layer that drastically reduces friction between train wheels and the rails – a situation Network Rail has described as “the black ice of the railway”. But the make up of this slippery layer has been something of a puzzle.

The team say the study suggests leaf tannins grab onto iron that has been dissolved from the rails by acids in the foliage, forming a layer of black material that reduces friction between steel surfaces.

Writing in the journal Proceedings of the Royal Society, Watson and colleagues report how they made their findings by infusing water with sycamore leaves to produce an acidic brown extract.

When a drop of iron chloride in water – representing iron dissolved from the rails – was added to this leaf extract, a black iron-containing material formed. This was not the case when a tannin-free leaf extract was used.

The researchers then placed their tannin-containing leaf extract between pairs of steel surfaces, finding the black material that formed significantly reduced the friction between them – compared with situations where only water or tannin-free leaf extract were applied.

“The leaf extract by itself can cause this extremely low friction,” said Watson.

The team did not compare their black material to material recovered from rail tracks, and cannot rule out other factors contributing to the slippery conditions.

“Hopefully this will lead to some chemical treatments that can stop [the slippery material] from forming,” he told the Guardian.
 
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