วันอาทิตย์ที่ 21 มีนาคม พ.ศ. 2553

ICE beating !!!

i study in crack of an ice beat in mortar!

after i beat it.. it start to crack at the edge first
then crack into big pieces

i found that the inner mass of the ice (white color) is softer than the outer mass (clear color)
it was easier to beat! as the ice cube gets smaller, it become liquid.

here is the picture of the mass of ice, u can see that inside is white, that's the part that easy to break.

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