Homeowners are probably realizing solar roofs don't make financial sense unless you're off grid. In that case, you've probably got the space to install them on the ground.

The $3B number is largely and a marketing move to show what a big/real/important company OpenAI is. I hope Windsurf got some real money out of the deal too. If ChatGPT disappeared tomorrow, people would just move to the next model.

The linked blog post was 2 days ago

Vibe coder - someone who uses more coding assistance than I do

It's like driving. Someone doing more vibe coding then me is a maniac and irresponsible, someone doing less is a slow control freak.

> it is that they can fire me at any point, without giving any reason or any notice.

Isn't this true for an US non-union employee?

If they live in an at-will employment state, yes.

Who's talking about USA?

Yes. Operation Warp Speed (https://en.wikipedia.org/wiki/Operation_Warp_Speed) was great. Unclear to me if Trump had anything personally to do with that other than not opposing it.

> Electric scooter companies by definition can never be profitable

Lost me right at the start by being proud(?) of this wrong understanding.

Interesting idea, but that would require more than a square kilometer (or a 100m strip 10km long) of solar panels (not accounting for the additional power required to tow the panel array).

Solar power being useful doesn’t require 100% of propulsion to come from solar panels.

You see solar panels added to a wide range of boats because even bunker fuel isn’t free and panels are light for the power they provide over even a few days. A current 399.9 * 61.3m container ship doesn’t need panels everywhere to benefit, but the potential savings is significant if they do.

This is unfortunately not true because of the dynamics of diesel engines: there is by design surplus energy relative to requirements from running them at efficient operating points. Otherwise the ship is not a good ship.

You can always scale design to fit reduced demand. Also, loss of efficiency is more than made up for with vastly lower energy demand.

“Lowering speed reduces fuel consumption because the force of drag imparted by a fluid increases quadratically with increase in speed. Thus traveling twice as fast requires four times as much energy and therefore fuel for a given distance.”

https://en.wikipedia.org/wiki/Slow_steaming

“Container ship Emma Mærsk in Aarhus, 5 September 2006 Mærsk Line's E-class container ships such as the Emma Mærsk can save 4 metric kilotons of fuel oil on a Europe-Singapore voyage by slow steaming.[5] At typical fuel prices of US$600-700 per tonne,[4] this works out to a saving of US$2.4-2.8 million on a typical one-way voyage. Maersk's Triple E-class container ships were designed for slow steaming and have less powerful engines than their predecessors.[5]”

Sure, but what does this have to do with what I said? You need design and operating margin, and the engine is always running.

Reducing the load is always going to save fuel. There’s no difference between energy used to move a boat and energy used to run the lights.

Put another way if there was excess torque being generated it would go somewhere such as increasing the engine RPM.

What you seem to be missing is that your understanding is not true because of the practical realities of operating large internal combustion engines.

For example, one tonne of fuel is about 11 MWh. So if you run the calculations, you will see that adding solar panels to a diesel boat, even if the energy they provide is free, essentially never ROIs, and makes the boat less reliable and useful as a boat.

These kinds of engines generate tens of megawatts when they are on, and they are always on when the ship is moving.

One tonne of fuel is more like 5.5 MWh. You did a mathematical calculation while ignoring engine efficiency.

The reality of large internal combustion engines is you still pay for every single kWh. These ships already have extremely complex electrical systems with multiple redundancies and load balancing etc.

The dealbreaker is R&D as unlike a house or sailboat you can’t just yolo where panels are placed and wires run etc, this is all bespoke engineering with few of any give design being manufactured and little available space.

No, one tonne of diesel fuel contains about 11 MWh of potential energy as determined by calorimetric methods. One tonne of fuel when consumed produces a variable amount of useful energy output depending on the efficiency of the engine.

If you said fuel was 5.5 MWh per tonne people would wonder what you cut it with.

The reality of outputting 80MW is that the power to your lights is a rounding error and you’d be better off buying a robot to regularly clean the hull.

> No, one tonne of diesel fuel contains about 11 MWh of potential energy as determined by calorimetric methods. One tonne of fuel when consumed produces a variable amount of useful energy output depending on the efficiency of the engine.

That’s almost correct, good try.

> lights is a rounding error

Ships use electrical power for far more than lighting, and no electricity is not a rounding error compared to profit it’s a significant expense for cargo ships.

There is a starter app in AI Studio that demos this: https://aistudio.google.com/apps/bundled/spatial-understandi...

I don't think that's the split being referred to. Some people (like myself) see code as a way to achieve a goal, and some people like writing code for the puzzle of it.