Motorola hopes that it's come up with ways to keep on shrinking flash memory cells, which may not downsize to very small IC geometries. Silicon nanocrystals are the basis of thin-film storage techniques that were recently demonstrated in a 4 Mbit memory. Crystal spheres measuring 50 angstroms in diameter fit between oxide layers in the chips made on a 90-nanometer device production line in Austin, TX. Motorola hopes to begin producing nanocrystal memories by 2004. To find out more, visit www.motorola.com.
The implementation of a new diesel fuel standard in the US has considerably improved the environmental performance of diesel vehicles. The Environmental Protection Agency (EPA) says that the new ultra-low sulfur diesel (ULSD) fuel has combined with other improved technologies to reduce diesel's particulate matter (PM) emissions by 99%.
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