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HNQ
3:42 AM
1
Q: Why do my "steel ice cubes" have water in them?

ludzI recently bought steel ice cubes. A better name is probably "steel cubes with unidentified liquid" which I presume is water. When I opened the package I was quite surprised that they contained some liquid. I thought it was going to be a solid cube of steel. This made me think how does steel cube...

 
HNQ
4:32 AM
2
Q: How do you stabilize the temperatures in your sensitive laboratory experiments?

RydbergI work in an AMO Lab, and I have been tasked with creating an experiment enclosure that will keep the air (and instruments) stable within about 50 mili-Kelvin with a set point of about 20C-21C. Our lab is almost always at 23C+, so we will 99% of the time be cooling down the enclosure, not heating...

 

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