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The EV mental model

I saw an article that suggested that we have a bias when it comes to EVs, so I did a little digging and found this research paper that does a nice job of laying out the rationale for what that is and talks about the mental model we use when switching to EVs. To be clear, this is not something I wrote or have any connection to. I am just sharing it and thank the authors for their work. Enjoy!

276 views • Jun 13, 2024

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SpaceX starship launch. What’s up with the speed of ascent?

The atmospheric conditions at different altitudes affect the speed at which the craft can travel.

690 views • Jun 6, 2024

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Hertz and the $277 EV refueling surcharge

4887 views • May 28, 2024

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Some thoughts about Tesla (the company)

Elon musk’s payout, cybertruck, stock price, and more about the company

51 views • May 21, 2024

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What is the total cost of ownership of a Tesla?

As I note in the video, my plan was to create a spreadsheet and work out the details. But Edmunds has a TCO calculator. So I opted to use that instead. Its pretty good, and you can try it yourself. I also compare the Tesla to a RAV4 which is around the same starting price. Roughly of course.

670 views • May 14, 2024

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I charged to 100% then left the car in the sun… and didn’t have enough energy to get home…

This is a followup to A road trip with no superchargers? … how did it go?

10237 views • May 7, 2024

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Tesla full self driving: my experience

Tesla offered a free 30-day trial so I decided to try it out. There were a few things I liked, but overall I don’t think I’d pay for it There were some very confusing moments, a few times when I had no idea what it was doing based on traffic, and it really struggled when it came to construction (which is everywhere!) I can see why there are issues and why governments want to better regulate it. In the end, it was fun and I’m glad they offered to let us try it. But that’s enough for me.

233 views • Apr 28, 2024

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Watching someone rent an EV

414 views • Apr 20, 2024

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Reusable rockets

I take a look at NASAs solid rocket boosters and compare them to SpaceX. The link to the cost document I reference:

54 views • Apr 9, 2024

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Ammonia powered cars?!

129 views • Apr 4, 2024

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Success on the moon relies on the human experience. A short discussion.

The human spirit is ultimately the reason of course.

4 views • Apr 1, 2024

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Gas or Electric in cars. Which is cheaper?

I do a calculation to compare $/mile driven for both gas and electric cars? In summary it is very possible that gas could be less expensive (gasp!) if you are stuck using public charging most of the time. Paying 50 cents or more per kWh vs around $3 a gallon is a break even. But as always, your mileage may vary.

590 views • Mar 26, 2024

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Why single out TikTok? Aren’t all social media platforms problematic?

10 views • Mar 21, 2024

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The astronaut walk out door at the Kennedy space center

In a cool, longstanding tradition, astronauts all stay in the same dorm as the Apollo astronauts. And as they head to the launch pad, you can see them come through the same door.

2235 views • Mar 17, 2024

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Dynamic pricing - but thinking about it as a positive thing. What if we were offered a discount?

464 views • Mar 12, 2024