cutting down macro structures to the nanoscale (top-down approach) or by assembling structures from atoms and molecules (bottom-up approach).an example of the top-down approach is seen with the manufacture of microprocessors, in which shortwave ultra-violet and electron beams are used to cut silicon wafers...
nibs by briefly dipping them in a solution of water and sodium carbonate. i was amazed by the change of color to a real dark brown. only that i lost a lot of the cocoa flavor. but that bitter taste too disappeared. my question is: is that a proper way of making an alkali solution?...
to life. today, we're taking the first steps to help close the nutritional gaps. we are partnering with one of the world's leading philanthropic organizations, the tata trusts, to create gomotm - a nutritious product in india. through the dietary supplement cocoaviatm, we're using our research on cocoa...
began to acquire cocoa, and by the th century cocoa's popularity had spread throughout europe. today civilizations all around the world enjoy cocoa in thousands of different ways. with the annual consumption of cocoa beans topping million tons, cocoa is an important commodity in world markets. ready...
, used for making hot cocoa, that he acquired the last time he was in oaxaca lining up his own sources of coffee beans. it was made by a wonderful old woman, marina, down there who said this was her last year making it....
. in the case of the multicrystalline silicon, large slabs are grown which are then sliced up into smaller ingot blocks. large multicrystalline silicon block being sliced up into smaller bricks. the smaller bricks are then cut up into wafers with a wire saw. brick of multicrystalline silicon cut from...