Unit 4 – The Importance of Altitude, Azimuth and Zenith Distance in Astro Navigation.
Zenith. The Zenith is an imaginary point on the celestial sphere directly above the observer. 1,205 more words
For two years, Microsoft has been working on Cities Unlocked, an ambitious project to use advanced GPS and smartphone technology to help the visually impaired navigate cities on their own. 375 more words
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What do monarch butterflies, salmon, lobsters, bats, mole rats, and marine nudibranch mollusks have in common? As I’m sure you already knew, all of these species (among others) can sense and use magnetic fields.
For me, Thanksgiving is the feast day that officially kicks off the Holiday Season. A season I am thankful for! And when not hosting, all I want to do is reach the door of my loved ones. 360 more words