Luckily light bulbs are line-of-sight too...

No, this is just modulating lightbulbs. No lasers, no alignment, just flickering light.

But Li-Fi using lasers would not work, as the lasers would have to aim at the receiver. Li-Fi replaces the existing room lighting.

Is there a reason you think bounce would not work? Li-Fi works by modulating the existing lights in the building. As long as you can detect the light, no matter how many bounces, you should be fine.

You need to string the ethernet cable to the lightbulbs, otherwise it does not work. Unsurprisingly, Li-Fi does not penetrate walls. This is purely a last-few-meter technology.

If your experience from Windows is that you buy a computer with it installed, and everything immediately just works without any tweaking, then I wholeheartedly recommend that you stay on Windows. For most people, getting a new computer means spending a day on getting everything working properly again. Yes it's whataboutism, but we have the software we have, not the software we dream of.

Even switching phone is usually a multi-hour exercise in frustration, and those keep most of what they need in the cloud.

Chromebooks are the closest you will get to Linux just working without tweaking.

Yes, I was completely off. Thank you.

You cannot do that. You need a hot reservoir and a cold reservoir to generate work from heat, and this only has a hot reservoir. That is what Kelvin's statement says. You cannot cool something without having a place to dump the excess heat, and if that reservoir is hotter than the place you take the heat from, it will require work to do so.

That makes a lot more sense and does not violate the laws of thermodynamics. It will require a constant flow of air to replenish the charge. Thank you.

The vast majority of people who lived near Chernobyl or Fukushima at the time survived and did not have their lives shortened. Now you can say that those two didn't go boom, but that is as boom as a nuclear power plant can realistically go.

So imagine this.

You have a reservoir at say 90C. Inside this reservoir you place a sealed box containing this new device, with wires to extract the power to the outside, and air with say 50% humidity. The device starts extracting energy from the humidity, lowering humidity by condensing water, while providing power. However, the reservoir is at 90C, so heat leaks into the device, making the water evaporate, restoring the humidity to 50%. The device extracts more power, and so on and so forth.

This way you have a device that can turn heat from a single reservoir into electric power. However, the Kelvin statement of the second law of thermodynamics says that it is impossible to convert the heat from a single source into work without any other effect.

What am I missing? Nature wouldn't have published something that violates thermodynamics, so there must be something that stops this from happening.

Lying scum, really? You sound like a pleasant person to be around.

Lead is a stable chemical element, it cannot break down. Nuclear waste is either highly radioactive, in which case it breaks down quickly, or not highly radioactive and therefore not a huge problem. There are no nuclear waste sites where people suffer terribly, unlike all the chemical waste sites that harm or kill millions of people across the world. (The exception is tailings from nuclear mining, but the problem there is mostly chemical, not nuclear, and tailings are not what most people mean when they say nuclear waste).

Your reaction is exactly what gives the anti-nuclear movement (of which I am a proud member) a bad name.

Do you only get 1 mile per hour at public chargers?

If so, I am impressed. I certainly would not have switched to electric if I could not reliably charge at 300mph or more, on pretty much any long trip I might ever need.

Citroën Ami?

It is limited to 45km/h to avoid airbag requirements, but it is cheap.

Non-fast-chargers may as well not exist, except near people's homes. It is not worth getting the cable out and figuring out how to pay for slow charging. Plus remembering when the car is full and moving it to make room for others. Just no.

It's either done in 20 minutes tops or wait till I get home.

With Tesla destination chargers as the sole exception, since they are free and I don't have to bring my own cable.

It has been tried, unsuccessfully, in the i3 REX. The Chevrolet Bolt pretended to do it, but the marketing was mostly lies.

ICEs are fine with non-constant speed, and electric drivetrains are woefully inefficient.