Work dash - 15 minute timer, one task that’s so big it makes you procrastinate. Break after the 15 minutes and start again.

Read The Now Habit by Neil Fiore

Combustion is still the most energy efficient.

And Nuclear would be more efficient if they allowed refacing/recycling the rods.

Believe me- the MOCVD toll is huge and does play a factor. We don’t pay attention to cradle to grave, and it’s absurd not to. (Used to be the thing to do- for example for plastics- why ignore it for solar and wind?)

This and many others in this thread are great discussions of solar efficiency and limitations. Thank you for adding to the discussion! One other nasty bit is how the multijunctions are connected. In order to get good efficiency you basically need separate cells one atop the other without direct electrical connection- otherwise you are current limited to the smallest current cell - so they attempt to match the current output- but that’s not always possible (think AM1.5 intensity -v- frequency graph and trying to trap the area under the curve to be equal to the other cell’s conversion). It’s tricky business. It’s much easier just to treat them separately. I need to read the article more. I hope and pray it wasn’t MOCVD growth… that type of growth is so nasty and dangerous and dirty… work in the field. The environmental cost alone of MOCVD would tip the scales against this. Lol. So good for payloads perhaps- but please let’s not attempt to make all our roofs out of this. The environmental disaster alone wouldn’t be worth it. Lol

Yes. True. The amount of effort to even approach that and the insane amount of energy in purifying the precursors or chemically creating the precursors is insane. Cradle to grave- the use case is limited. And you’re right we’ll likely never even approach the SQ limit. But even if we did it would still be a losing energy proposition.

I tip my hat to you my fellow Solar researcher. Lol

Yes, absolutely correct. Both weight and size are considerations for payload.

This is a good point. I was meaning as payload. The amount of cash necessary to take a unit of weight up is otherworldly. ;)

There’s no way to do this cheaply. It’s directly related.

It will never reach mass market as a triple junction device. These aren’t cost effective to use terrestrially. The reality is we have space to spread out down here, and up in space there’s no elbow room. So triple junctions head to space and we get single junctions - if we’re lucky at 19% efficiency.

Triple junction device.

Let me know when they do this on a single junction…

Hahaha. Yes- I agree. I don’t dare try to drink the coffee on the drive anymore! I’ll be swearing and might spit it out all over the wheel to save my tongue. Rofl!!

Dude- first time I tried to use my zojirushi just like the OP’s- I almost had a car accident I had filled it at like 6am, and at 11 I thought- good to go. Rofl. I was wrong. Rofl