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Fire chief: Charging electric bikes believed to have sparked house fire in Maineville
  • Thanks for the reply. My wife and I have ebikes with the batteries built into the frame. I love mine but now I'm concerned about charging them. I usually do it overnight in the garage. When I build projects I use NiMh batteries. Almost as good, cheaper and safer.

  • Fire chief: Charging electric bikes believed to have sparked house fire in Maineville
  • I'd like to know if those comments are true, about not leaving Lithium ion batteries charging too long. There are four things that will cause a lithium ion battery to go Thermo-nuclear:

    1. Shorting them.
    2. Trying to charge them after the voltage has dropped below a certain level.
    3. Overcharging them.
    4. Exposing them to air (punctures).

    Due to this, all lithium ion batteries require a battery management system. Leaving them plugged in should just cause the battery manager to stop charging them until they need charging again.

    Comments? I'm guessing some of these fires are caused by poorly implemented BMS systems.

  • Is it generally safe to walk through a field of cows?
  • Don't know anything about this from personal experience, but I thought I heard a report a while back about a fairly large number of hikers in the UK injured or killed by cows. So I'm guessing, not as dangerous as crocodiles but still best to be careful.

  • jwz: Mozilla is an advertising company now
  • Any opinions on Opera? I used it 1000 years ago. I liked it but then they started charging or something and switched to Firefox. Then Brave which was my favorite but is a problem I guess. I used Chrome for a short time until I learned it was Google crap. So now I'm back to Firefox. I see Opera is still around though.

  • How the automobile industry turned us into SUV drivers
  • I see. I'm confused by this too. When I was young vans were popular and station wagons were definitely more prominent. Vans fell out of popularity presumably because they were built on a truck chassis. Minivans drove better. Station wagons also fell out of favor. I guess because they were too family truckster.

    So what happens? SUVs become popular which are basically station wagons built on a truck chassis. Go figure.

  • How the automobile industry turned us into SUV drivers
  • I disagree. They have gotten smaller on the inside. Totally agree in that. But the rest of the vehicle is definitely larger...and heavier. Look at a corolla today vs. there 80's. It's the size of a Camry back in the day. Trucks and SUVs, too. They don't fit in garages now. Remember mini trucks? Well no more.

    I think to meet safety standards, they have more crumple zones. Plus they have more features, which take up space the passengers would normally use. Finally I think people just like larger vehicles. Maybe they feel safer, even if they aren't or they like the intimidation factor. I don't know.

    Trucks are larger because of the footprint of the wheels is large enough, they have to meet different efficiency standards. But I think a lot of that was driven by manufacturer.

  • Do you prefer to manage your tasks digital (on phone/laptop) or physical (on paper/notebook)? Why?
  • Both, depending on the task.

    For instance, I have trouble taking notes while working on my car. Fingers dirty, device runs out of battery and needs power cord, no good program for combining pics and text and so on. It's just easier to write on scratch paper.

    But if I order something online, I just screen shot the receipt.

  • can anyone tell me the justification for putting Samuel Bankman-fried in prison for 25 years but Trump gets a fine? Is it federal vs. state?

    Pretty much what the title says. I know he's a former president and has all of his supporters, but what's the official reason? Thanks.

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    Professorozone @lemmy.world
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