|One layer down, five to go.|
Well much to my delight and contrary to expectation, the excellent fellow charged with the exciting task of peeling this particular onion has managed to cleanly extract a segment of the outer casing in only 3 hours! Huzzah!
All of that tin foil (aluminised Mylar, actually) is only serving to solidify this very Chrismassy feeling.
|BoPET (Biaxially-oriented polyethylene terephthalate) |
by Rohieb - own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=1740011
|Mylar is also used in emergency blankets to treat shock.|
Prior to the quench, the space that this super-insulation fills was under vacuum.
Next up on the cutting agenda:
the liquid nitrogen vessel.