1/ How much water weight can you lose in two days?
A personal experiment
2/ Motivated by a recent interest in boxing (and a recent conversation with @evelynjlamb), I'm going to try to address for myself the question of how hard it is to manipulate your weight dehydration.
@evelynjlamb 3/ Right now, Friday night, I am well fed and well hydrated, weighing in at a robust 184 pounds, which is on the high side of my typical daily weight fluctuation. I'll weigh myself again on Monday morning after some strategic dehydration and well compare the difference.
2/ We showed, among other things, that adding disorder can turn an insulator into a conductor, even without doping (adding new electrons).
The key is that strong enough disorder creates "electron puddles", and short pathways for electrons to tunnel between these puddles.
3/3 We also ended up giving a new explanation for "linear magnetoresistance" (increase in resistance with magnetic field) in two dimensions. It comes from electric current getting focused into tight "pinch points".
At large field, the resistance becomes independent of disorder!
After 9+ years of existence, my blog just passed 1 million views.
I've let it fall by the wayside in recent years, but as a long-term project I've worked as hard on this as anything else.
I expected that by this stage I would read through my old blog posts with a feeling of embarrassment, like when you look at pictures of yourself being young and dumb in high school. But I'm strangely kind of proud of it. There's a lot of good work there. gravityandlevity.wordpress.com
It's all a question of how small you would put the probability.
But even if you assume that their results don't really come from a room-temperature superconductor, then how do you explain them?
That is an interesting and worthwhile question in its own right.
I (and others) will believe the results only when all possible explanations for the data seem less plausible than having actually found a room temperature superconductor in a mix of gold and silver nanoparticles.
2/ Room-temperature superconductivity has been a holy grail in physics for literally over 100 years. If we could find a material that was superconducting at room temperature, it would allow us to transport electrical power for free, and would revolutionize a bunch of industries.
3/ There is no fundamental reason (that we know) why some material couldn't be superconducting at room temperature. But after a century of trying to find such material the best superconductor still needs to be cooled to 90 Kelvin (-183 Celsius).