Satellites Are Really Old
Here’s something to ponder: Why is Galileo called Galileo? Other great astronomers and scientists are known by their last names: Copernicus, Kepler, Newton, etc. Tycho Brahe is known by his […] More
Here’s something to ponder: Why is Galileo called Galileo? Other great astronomers and scientists are known by their last names: Copernicus, Kepler, Newton, etc. Tycho Brahe is known by his […] More
Question: What is shown in the drawing at the left? Here’s more information to help you figure it out: It’s a small portion, the lower left corner, of a larger […] More
It isn’t often that we get hundredth anniversaries in media technology, so I figured this one — a double-header, actually — is worth mentioning. Today is the anniversary of […] More
A lowercase letter
A capital (uppercase) letter
A number
Minimum 8 characters