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Could hybrid-electric aircraft rule the skies?

Companies are proposing a hybrid airliner with electric motors, a smaller battery, and a liquid fuel powered generator.

One advantage of this design is you can get the redundancy that safe flight needs a different way. Today all commercial airlines have 2 or more liquid fuel engines. They can still fly if they lose one.

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Warner Brothers and Intel experiment with in-robocar entertainment. Is that a good idea?

Intel and Warner made a splash at the LA Auto Show announcing how Warner will develop entertainment for viewing while riding in robotaxis. It's not just movies to watch, their hope is to produce something more like an amusement park ride to keep you engaged on your journey.

Like most partnership announcements around robocars, this one is mainly there for PR since they haven't built anything yet. The idea is both interesting and hype.

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Has Uber already beaten private ownership on cost?

Today, various experts, like CR and the AAA rate the cost of private car ownership anywhere from 40 to 60 cents per mile, plus parking. That depends on your usage patterns, what car you buy and its age, plus a few other factors. Many people, though, pretend that using their car only costs the 8-12 cents/mile for gasoline. (A better estimate of the truly incremental cost without factoring in those things that don't vary with the miles is around 25 cents/mile.)

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Bitcoin can't handle big price drops, and the missing Satoshi Foundation

Having written yesterday about a decision to sell Bitcoin, I want to re-examine two posts I made in the past which are now even more apropos.

My sell decision was (at least temporarily) wise as it dropped to $9300 quickly. I don't think it will necessarily never see $11K again. It is a speculative value with no fundamentals behind it to help judge the right price range.

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DARPA challenge mystery solved and how to handle Robocar failures

A small mystery from Robocar history was resolved recently, and revealed at the DARPA grand challenge reunion at CMU.

The story is detailed here at IEEE spectrum and I won't repeat it all, but a brief summary goes like this.

In the 2nd grand challenge, CMU's Highlander was a favourite and doing very well. Mid-race it started losing engine power and it stalled for long enough that Stanford's Stanley beat it by 11 minutes.

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Uber buys 24,000 Volvos, Trolley Problems get scarier, and liability

Uber and Volvo announced an agreement where Uber will buy, in time, up to 24,000 specially built Volvo XC90s which will run Uber's self-driving software and, presumably, offer rides to Uber customers. While the rides are some time away, people have made note of this for several reasons.

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I flew transatlantic on SAS with no food or drink, and it was actually pretty nice

On Nov 3 I flew on SAS from Copenhagen to San Francisco. The 11 hour flight had no food or drinks (other than water) due to a strike by the caterers, Gate Gourmet. It was actually surprisingly pleasant! (Unlike my experiences on Air Baltic which I will relate at the end of the article.)

SAS certainly could have done better. Since I checked in online I did not learn of this until, while waiting in the lounge, they announced that flights overseas would have "limited food choices." I figured that was not that big a deal, especially since I was seated in business class. On the way out I asked about it and they said that "limited" actually meant "absolutely none" and I was given a coupon, which I took to the airport 7-11 to get some sandwiches and snacks. There was a giant line at the 7-11 of course, but I made it to the flight.

(Trigger warning: If you only fly in coach, it will seem pompous to read complaints about problems in business class. The harsh reality is that if you travel frequently for your work, spending all that time in the compressed horror of coach simply isn't an option, especially for a big guy like me. You won't be able to do your job. So I pay the extreme prices of business class because otherwise I would not travel. If you pay that much, you expect a higher quality of flight.)

While annoying, there were some fairly positive results of the experience. The flight was actually much more pleasant without all the constant distraction of food and drink service. It makes me give serious thought to the virtue of flights, even long ones, which offer boxed food and drink that you grab at the gate and take to your seat to consume when you like.

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