Agreed- my first order assumption run with that one was that any shielding would be light weight.

> they tend interact multiple times and deposit their energy in multiple places along a line via a ton of different physical interactions.

Huh. Okay, although all of the form gamma energy packet interacts with doped crystal and scintillates I'd assume. I can see that you've got a bit more going on here in the detection instrumentation.

Fast enough to catch everything or throwing in calibrations for deadtime?

Hmm, anyhow, seems like much fun was had in the lab working on the dissertation, good job :-)

My time was almost always pressed to get more fieldwork done and never quite got the amount of playing about time I wanted :/

Having watched the past years unfold from outside the US and reading papers across the media spectrum I would assert that most of the work of smearing the meaning of Woke to include supposedly advocating for litter boxes in classrooms for furries, etc was work gleefully carried out by the US conservative right wing media.

> and faced an appropriate backlash

which was the entire purpose of relentless 24/7 Woke strawmanning.

With a few tweaks.

> the separate segments light up as a gamma ray passes through each quadrant.

Err, one single ray (we doing wave fronts or particles in our slit experiment here) surely only impacts and flashes once in one segment .. or passes through with no impact?

A whiteboard might be easier for this convo, or perhaps we let it rest. Coded aperture looks to be more or less as I imagined: https://www.sciencedirect.com/science/article/pii/S135044871...

Sorry - had to laugh at "LIDAR" - the source bounced off a truck in W.Australian Pilbara and the Eastern States specialists rolled along the road in a van picking up the lost source by direction.

The environment would be best described as flat. Very flat. Road, flat ground. No buildings, no reflections or refraction, not a lot for a LIDAR to do.

I'm still impressed with the direction to source capabilities over what we started with many years ago; crystals stacked with lead plate separating top crystal from lower crystals .. to get a sense of what was cosmic and what was not.

  There's been a lot of development since this dissertation to let it run in real time, and to integrate with tactical radiation detectors that the military/police/civil defense teams tend to use. Unfortunately that's mostly unpublished work at present.

Australia had some fun with a lost mining source - rather than run a geophysics plane 80m above ground from mine to city they held off to test a gadget with some whirly stuff about a crystal pack ... as I understand it.

Any comment, or all still a bit unpublished?

It's also normal that radiation can be detected everywhere (subject to terms and conditions with respect to sensitivity and sensing time).

The least radioactive places are just above the middle of large bodies of freshwater.

Still detectable there, just from very stray land sources, drifting airborne sources, and plucky cosmic sources that made it through the atmosphere.

Nomenclature is just a convention of convenience and can be ever so judgemental.

Particle / anti-Particle ... way to lead the jury, hey?

What we do know is that when Bob walks up to a mirror he sees adastra22.

The glass is likely there to stop them touching and spawning a new universe.

I enjoy asking my grandkids why mirrors reflect left to right and not top to bottom.

Pre tech non petroleum communities like the Nagovisi in Papua New Guinea, the Khasi in India, the Mosuo people in southwestern China, the Minangkabau of West Sumatra, the Akan in Ghana, Bribri in Costa Rica, et al managed to avoid patriarchal society without possessing a Colt.

  A true hermaphrodite rabbit served several females and sired more than 250 young of both sexes. In the next breeding season the rabbit, which was housed in isolation, became pregnant and delivered seven healthy young of both sexes. It was kept in isolation and when autopsied was again pregnant and demonstrated two functional ovaries and two infertile testes. A chromosome preparation revealed a diploid number of autosomes and two sex chromosomes of uncertain configuration. 

Hermaphrodites in Australian pigs. Occurrence and morphology in an abattoir survey - https://pubmed.ncbi.nlm.nih.gov/559485/

That's biology for you.

> We can do a simple thought experiment here.

Yes, and Yes.

> when the degree attainment rate crosses the 50% mark, do you agree that the median income holder must have a degree?

No. I don't even agree that there is necessarily a single median income holder - there may well be a hundred, sixty with a degree and 40 without.

Also possible that in a hypothetical population with 1,001 people that 1,000 people have a degree but the sole median income earner does not.

Comments URL: https://news.ycombinator.com/item?id=49279993

Points: 5

# Comments: 0

Heat goes up, and mine layout dictates where the air flow is drawn from; best guess is lower cooler air voids, which cycle and reach dynamically stable temp. before being drawn through the heat generating compute racks.

The heat going up part may well be assisted by the same already existing HVAC for working mine portion, it may also be utilising pre existing exhaust shafts cut like chimneys.

There is likely outside air being pumped in to the active mine portion; again mine layout and topology count for a lot here, if the mine happens to inside a mountain halfway up it's entirely possible air is being drawn in through lower drive shafts to outside air all without an excess of dedicated HVAC energy.

You write as if there is only one smoothly homogeneous "Capitalism" and that it's actually practiced.

https://news.ycombinator.com/newsguidelines.html

I'm seeing:

   At the end of the first quarter of 2024, there were 87,869 prisoners in England and Wales.

  76,869 British nationals were recorded in the prison population at the end of the first quarter of 2024. The remainder of the population was made up of 10,422 foreign nationals, making up 11.9% of the total population

It means that it is possible for someone to be wearing a white shirt and yellow pants (say), but the person in green shoes came from the set of a Wes Anderson film.

G20 country prison systems that I'm aware of have early release programs, it's almost a requirement to optimise what space there is for those that most deserve prison.

What's at issue with [1] is where, in actual fact, do a couple of teenagers who nicked a quad bike and likely very unintentionally also'd a manslaughter fall on the "violent criminal" spectrum.

At one extreme, if the population of London happened to be almost entirely foreign born then it would seem that UK citizens are working overtime at London crime.