Electro Gyro-Cator(en.wikipedia.org) |
Electro Gyro-Cator(en.wikipedia.org) |
Do any present day navigators use inertial guidance when they are out of reach of satellites? (I know mine doesn't when I enter a tunnel it seems to continue to coast based on the last known info when the signal was lost, after more than a few minutes, for instance a traffic jam it gets wildly erratic.)
Pretty interesting.
It's disappointing that modern technology no longer supports being annotated with a marker pen.
Even Apple has gotten around to selling a stylu^H^H^H^H^H Pencil for your tablet; Microsoft has been _pushing_ theirs for years, and Samsung uses it as a differentiating factor on their smartphones.