Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. For thousands of years, humans navigated by comparing their ...

The Apollo program utilized a sextant, a centuries-old navigational instrument, as a backup guidance and navigation system in the Command Module, independent of the Apollo Guidance Computer (AGC) and ...

THIS book places in the hands of explorers, navigators, surveyors and others who use the sextant a simple means of finding its centring error. The centring error of a ...

A sextant is an historic piece of navigational equipment with a name that teenagers enjoy pronouncing. It also happens to be the name of longtime product from the Swiss watch brand Juvenia. I actually ...

I RECENTLY made the attempt to attach one of the prism forms of binocular to a sextant in place of the ordinary telescope, and it seemed that such an adaptation would materially increase the ...

When Physicist K. G. Jansky of Bell laboratories discovered in 1932 that he could pick up radio waves from objects in space, he founded the exciting science of radio astronomy. As the sailors of ...