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8:54 PM
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Q: How to look up "all things astrophysical" about A=9 (or other light isobars)?

uhohAll the light isobars (group with same atomic number) are interesting and quirky, but let's use A=9 as an example. 9C and 9Li beta decay to particle unbound states in 9B and 9Be (except to 9Be's ground state), and those unbound states decay through both p/n + 8Be and 4He + 5Li/5He (which both the...

 
 
1 hour later…
10:12 PM
4
Q: How exactly thermal infrared (e.g. FLIR) cameras image methane leaks? Are they measuring a temperature difference or an emissivity difference or...?

uhohThe story Infrared camera shows the impact of vehicle emissions says: In an effort to visually demonstrate the potentially fatal impacts of air pollution, FLIR Systems (Wilsonville, OR, USA; www.flir.com) has released a new video containing footage captured by FLIR infrared cameras that shows ve...

 

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