Showing posts with label Chemistry. Show all posts
Showing posts with label Chemistry. Show all posts

Monday 15 July 2013

Velvet Feet & Supercooling

Aren't these shoes (sent to me by Sammydress) the best things you've ever seen!? I really wanted to wear them with a blue coat that I was going to turn into a cape - like the red one in these photos - but I ran out of time to do most of the sewing projects I had planned before my overseas trip! But I kind of like the clashing colours here anyway - I like it when there is something just slightly odd about an outfit. (Oh! And if you have a keen eye, you might have noticed that these photos were taken back when I was in Sydney).

top - Cotton On
skirt - c/o Sheinside (similar)
cape - DIY
necklace - c/o Les Folles Marquises
shoes - c/o Sammydress (sold out, but similar here, here, here and here)

Firstly I should apologise to the (apparently) many arachnophobics who read my blog! I am also someone who is extremely uncomfortable around spiders (which is great for living in Australia when a giant one jumps out at you basically every day) but because the picture of the underwater diving bell spider I used in my last post didn't make me feel ill, I thought that (me being the most arachnophobic person I know), it would be okay for most people! 

Anyway, I promise that there will be no more pictures of spiders on this blog without due warning.

To make up for it, I will leave you with this video of supercooled water. Supercooled water is water which has been cooled below its freezing point (0°C), but remains in its liquid form (yup, what you learnt in school that water always freezes at 0°C (or 32°F) isn't always true!)

To turn into a solid, liquid water needs "crystalisation" to occur, for more ice crystals to effectively "grow" on. However this process, called "nucleation", might not happen if there aren't any impurities in the water for the ice crystals to "grow" on. In fact, you can get down to temperatures of -41°C before the water freezes - if it is really pure. (Read more here).







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