Viewing profile — johnthesecure

Two prototypes now operating (15 Dec 2025): https://electrek.co/2025/12/15/fortescue-infinity-train-elec...

Easier to access at https://www.cell.com/cell-reports-physical-science/fulltext/...

I experienced this issue, but it works on another device, and after a refresh it worked on the original device. Good luck...

Rather than looking at different letters, perhaps look at different font families. Clearly sans-serif I-beams are structurally much worse than avec-serif I-beams.

It's interesting to see the number of deaths caused by pollution. But everyone will die of something. Could it be that many of those people whose death was caused by pollution may …

The calculations paper talks about the water cycle and explains that fresh clean water isn't well distributed. I wonder whether big evaporators like data centers might actually hel…

Two years ago, the Boston Dynamics Atlas could do mid-air somersaults - that's better than most 10-year-olds. https://www.youtube.com/watch?v=tF4DML7FIWk

Surprising to see the crash (or controlled) landing described as auto-rotation.

I don't think "Protein Poisoning" is of serious concern. The dietary guidelines people could find no suitable upper limit for protein. But I agree that it would be better to know m…

I currently use a Google sheet, but I'm looking for something better. I have many automatic payments (credit card, telephone, utilities, etc) from a transaction account. I also hav…

That's enough energy to boil those kettles dry, if my calculations are correct. To bring them to the boil, 59MJ would run about 600 kettles.

Tell that to https://li-cycle.com/ and https://northvolt.com/revolt/