Latest Primary Atomic Reference Clock in Space Stories
The ability to accurately measure a second in time is at the heart of many essential technologies; the most recognizable may be the Global Positioning System (GPS).
The average user may not notice, but the Global Positioning System (GPS) is more reliable today than it was several years ago.
- The horn of a unicorn considered as a medical or pharmacological ingredient.
- A winged horse with a single horn on its head; a winged unicorn.