So, the key to crushing rat brains into a fine powder is to render them stone-like so that a mortar and pestle can be put to good use! What is the best way to instantly render something to stone, apart from Basilisks?
Enter left: Liquid nitrogen
Ta-daa! Liquid Nitrogen
oh yes, at a boiling point of 77 K (-196 °C or -320 °F), you can say that it is a cool dude!
I used a lot of liquid nitrogen over the last few days... enough to power a mini-AC/DC concert. I used cryo-gloves and protective eyeglasses, for most of the time (i looked pretty cool, if I do say so myself). When apportioning the crushed powder into small plastic storage tubes, the cryo-gloves turned out to hamper more than help. So I had to take them off, and depend on my triple-gloved left hand (yes, lessons well learned from the ole days of surgery and urinary iodine analysis) to hold the mortar and pestle while a spatula in my triple-gloved right hand (i support equal rights for both hands - pun unintended!) scooped brain powder into the tubes. Initially, my fresh virginal cutaneous surface ("skin" to you laypeople) endured the cold very well. Aaah, the misinformation and deception that is a cutaneous receptor! It flattered to deceive. By the fourth day, I had blisters on my pinky and ring finger, and rosy spots on my palm where there is evidence of light cryogenic burns. "band-aids wearing" has been added to my morning preparation. :)
This morning, i decided that to follow that old adage about prevention, pounds, ounces and cure, and adorned my fingertips (all but one finger, which was left free to be employed in "emergency signage") with "protection" ;) hahaha
hence the look below,
I haven't photographed the palmar surface with its rosy spots, that might put you off that muffin that you are eating ("Step away from that fatty (or low-fat, if you are that way) snack right now!") :)
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