Quotes About Timescale

our primate ancestors was the development of a larger cerebral cortex as well as the development of increased volume of gray-matter tissue in certain regions of the brain.32 This change occurred, however, on the very slow timescale of biological evolution and still involves an inherent

This orbit defines another timescale that was hidden to us before the twentieth century: we complete one lap around our galaxy about every 225 million years.5 We can assemble a scrapbook of our cosmic history measured out in these galactic, or "cosmic," years. Our universe seems to have been around for about sixty-one of them,* and Earth has almost reached the galactic age of twenty-one. As a biosphere, we're still a teenager of sixteen or seventeen galactic years. We

I desperately want Scotland to be an independent country. I cannot, though, sit here and tell you definitively that it will happen, and that it will happen on this timescale, because I have to respect the opinion of the people of Scotland.

We'll set our approach to borrowing, to spending, to taxation, in a sensible way on a sensible timescale.

It takes a certain amount of courage to tackle very hard problems in science, I now realise. You don't know what the timescale of your work will be: decades or only a few years.