Telescopes and databases
Astronomy changes. So do the kind of people who become astronomers.
Astronomy changes. So do the kind of people who become astronomers.
An example of answering several questions at once, by doing several kinds of observation at once.
Our chief consultant realizes how effective our machines have been at training us to perform tasks efficiently and exactly.
What a photographer needs to do the job is sometimes far from obvious.
A common feature of paradoxers is a confusion between a simple argument and a correct one.
Weather forecasts are much more reliable than they used to be, mostly thanks to more powerful computers. Input from people is still important, though.
Humans have accomplished some pretty amazing things, from putting men on the Moon (with old technology!) to sequencing their own heredity. But stubborn problems that look much easier persist.