Two of NASA's giants of cosmic discovery have been named among the best inventions of the past quarter-century – at least, according to Time magazine. The media company recently assembled a list of ...

Two of NASA's giants of cosmic discovery, including a rover that launched from Florida, have been named among the best inventions of the past quarter-century – at least, according to Time magazine.

"This book is uniquely about the relationship between the optical telescope and astronomy as they developed together. It covers the time between the telescope's pivotal invention in the 1600's up to ...

The critical issue -- The technology of grinding crystals in antiquity and the Middle Ages -- The reading stones (lapides ad legendum) -- The first dioptrical vision aids -- Glass techniques in the ...