"....by the mid 2020s we will be able to meet our energy needs using very inexpensive nanotechnology-based solar panels that will capture the energy in the 0.03 per cent of the sunlight that falls on the Earth, which is all we need to meet our projected energy needs in 2030".
from Human 2.0, an article for the 24 Sep New Scientist by Ray Kurzweil - a useful introduction to his views on "the singularity" which quotes Stanislaw Ulam from 1958 -"an ever accelerating progress of technology...which gives the appearance of approaching some essential singularity...beyond which human affairs, as we know them, could not continue".
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