Y
HN Search
Hacker News Search
new
|
comments
|
top
|
jobs
cosama
searching PlanetScale…
1.
▲
2.
▲
3.
▲
4.
▲
5.
▲
6.
▲
5 ms
·
1.
▲
by
cosama
1y ago
I was trying to use gemini 2.5 flash image / nano banana to tidy up a picture of my messy kitchen. It failed horribly on my first attempt. I was quite surprised how much trouble it had with this simple task (similar to cleaning up the
2.
▲
by
cosama
4y ago
Turns out the dropped a G not a M [1]. 0.5Ci is a very strong source, it should be observed by a plane at 100-200m above ground with sufficient detector volume. Considering they still haven't found it, it must have rolled somewhere, wh
3.
▲
by
cosama
4y ago
Thanks for the answer. You are absolutely correct, although once you start taking all these effects into account it is often easier to run simulations. For a back-of-the-envelop calculation assuming uniformity is quite common.
4.
▲
by
cosama
4y ago
A radioactive source that weak won't emit much heat. You can touch it and it will not be hotter than a piece of metal. You would need a source quite a bit stronger (at least thousand times stronger) to actually feel/see the heat f
5.
▲
by
cosama
4y ago
19 Becquerel is quite weak. My back of the envelop calculations of the source mentioned in this article makes me guess it is about 1 milli Curie = 0.001 Curie = 37 Million Becquerel. For simplicity lets assume 50 Liter is a 1 meter x 1 mete
6.
▲
by
cosama
4y ago
The wikipedia article you linked mentioned that the Goiânia source was 50.9 TBq (1,380 Ci) when lost, the source in question here is probably 1-10 mCi, so about a million times weaker. See this other thread about the incidence: https:/
7.
▲
by
cosama
4y ago
I am a bit surprised they haven't found it a >1mCi Cs137 source should be quite easy to find, it can be detected with a medium sized detector from >10m distance. A car driving along the road with a bunch of detectors in the trunk
8.
▲
by
cosama
4y ago
In my opinion there is only one humidifier that is worth the money, the honeywell warm mist humidifier [1]. It works great for us, just put it in a little tray in case it leaks. It also got one of the best written customer reviews on amazon