Nano Object of the Day
CD, DVD, BluRay
Pits on a CD Peel a CD
The Lotus Effect, i.e. water balls up on lotus leaves. Lotus leaves are on sale in Chinese Groceries.
Nasturtium leaves water balls up on leaf and cleans off dirt modeled by cinnamon.
Lettuce is wet by water vs cabbage (chard) is not.
Gecko foot, Exploratorium Bio department, Gecko Foot adhesive.
Colors of the Blue Morpho butterfly Wednesday or Thursday
Integrated circuit chip, nano scale wiring.
Liquid Crystal Thermal Postcards
Cholesteric, twisted nematic, liquid crystals reflect different colors as a function of temperature. The molecules in the liquid crystal self assemble into a spiral-staircase like structure that changes its spacing as temperature changes.
Liquid crystal explorations
Scientific Explorations with Paul Doherty
7 April 2010