Just want to remind people that the deBroglie wavelength of light IS its wavelength, here 0.5-1.5 um. This is gigantic compared to that of electrons in semiconductors. So there is no VLSI for optical computation. None. Zero. Bupkis. Lasers, except perhaps for some very esoteric applications, will be confined to the periphery where waveguides and fiber are rapidly supplanting copper. By the way, at least $1B has been wasted by VC’s who did not understand the no-VLSI physics barrier.

I should add that analytical device applications of this technology look almost limitless, being able to simplify, shrink, and cheapen thousands of optical instrumentation types. This is a huge market, and will lead to better healthcare, pharmaceuticals and industrial monitoring. Displays are another area, and military, policing, criminology, another. Having a narrowband laser of your choice of wavelength is the holy grail here.

The problem is right in the prologue. “Every piece of evidence we have for objective reality is itself a subjective experience.” But people do independent experiments. And the results agree. That’s a much stronger statement.

Iran recites a carefully curated list of American and Gulf States technology targets. 500,000 Nvidia GPU’s are one implicit bullseye.

I wonder if it is a PhD thesis to prove that the data prefiltering doesn’t bias the results.

The late Harold DuBose of Spectra-Physics, repeatedly used 555's as power inverters in the electronic design of a frequency stabilized ring dye laser. He liked the strength of the output transistor.

What would be most interesting is using optical illusions to help decode how brain visual processing is done.

In Israel, virtually every Christian relic is fake. Some are hundreds of years old, but nevertheless fake. This is not a comment on Christianity as a religion. Religions need relics, and if they can’t find them, they are created. This is operating in modern times. I was working as a contractor for Intel Israel. They took everybody on a day trip. To an LDS temple to “see the organ” (what else?). An American LDS church. Needed a place in Israel to “represent.” Now wait 100 years. You wait. I have things to do.

> Religions need relics, and if they can’t find them, they are created.

I have long believed that being religious primes people to also lose the ability to think critically in other areas of their lives.

> In Israel, virtually every Christian relic is fake.

The Italian Catholics have got a handle on this with many of their relics.

Bits of various saints are in glass boxes all over Italy. Presumably they could be DNA tested?

Older relics can be tested, but the Catholic church won't really allow it, e.g. San Gennaro's blood in Naples is a flask of red clotted liquid which melts during some ceremonies, and is quite likely not blood at all. But there's a massive community of believers and thus it will not be challenged by the church.

For more modern miracles and relics the church does have a tight grip, and famously one pope threw a whole bag of Christ teeth in the Tiber river, but many older things have been "grandfathered".

DNA tested for what, exactly? I guess things like fragmentary remains may not be human, but a full skull is not so easy to confuse for a donkey. Ethnicity would only be useful if the saint in question had origins that would be out of place in Italy or if they had a specific ethnicity(like St Peter's remains not having a Levantine origin).

"Consistency" whatever that might be.

Dave Allen's great joke about the relics concerns a doubter pressing on why there were two skulls of different sizes attributed to Saint Placeholder.

The answer was straightforward enough;

this one is his skull taken from his concecrated tomb in the Abbey of Overthere,

and this was his skull from when he was a child.

Soviets did this in 1918-20, without DNA analysis, of course.

https://ru-wikipedia-org.translate.goog/wiki/%D0%9A%D0%B0%D0...

Yes well there are other things you could do with a DNA genotype than tag ethnicity or confirm it's human. Specifically related to a similarity metric between genotypes (which is how we go about arriving at an ethnicity estimate)

For example

if said saint has any known living relatives (and we are certain of that), then this confirms the veracity of the relic.

if said saint has multiple relics of various body parts, we DNA test each one and examine concordance.

of course a DNA test may QC fail, not enough DNA, too low quality, etc. But if it passes then we potentially have dead to rights a confirmation or refutation of the relic. For this reason I expect the church would be quite recalcitrant to have it tested, because there is a possible outcome that the relic is revealed to be a fake

Relics are only a way of advertising the religion.

We should ban advertisements of religions. If their gods are so powerful then they shouldn't need advertising. And if you are a believer AND god turns out to be real then banning advertising could lead to the return of Jesus. Win win.

> Relics are only a way of advertising the religion.

I can't follow you here. Relics only have a meaning when you already believe them to be relics and no just random bones. How is that advertising?

Imagine you have no religion, but are feeling spiritual and want to find something real. Do you go to the church of a religion that claims it has the actual remains of their saints, or the one that only has pictures and empty walls?

Actually, maybe that's a stupid question as people absolutely do both. But there is an element of "look how great we are because we have a splinter from the holy cross in our church".

You can understand them, but there is no point for you, since they don't mean anything to you.

Depends on how much "supporting evidence" you give me.

I don't really think I got your point. All "evidence" that the bones in location X are really those of St. Y, won't have any effect on you, when you don't care about St. Y at all, because you don't believe in that religion.

All good advice above. I’ve tapped 1000’s of holes and haven’t broken a tap in 50 years, and I have nothing to add to the above. Berkeley Physics Dept. student machine shop training.

And in a similar vein, you can’t learn much about investing without actually risking some capital.

Try buying a compact Toyota pickup without the extra row of seats. The last one was made in 2015. They sell for more than the price of new for mileage < 100k.