Australian scientists and optical engineers will be making a perfect sphere that may one day re-define the kilogram – and they have taken delivery of the cylinder of silicon from which it will be made.
Jun 14, 2007 in General Physics
Many age-related neurological diseases are associated with defective proteins accumulating in nerve cells, suggesting that the cell’s normal disposal mechanisms are not operating correctly. Now, researchers ...
Jun 14, 2007 in Medical research