Vertex distance is an essential component when determining the correct power for contact lenses, excimer laser treatments and phakic IOLs. The measurement should always be included in power ...

Microsoft is adding a slew of new features to its Bing Maps. There’s a distance calculator that tells you the distance between any two points on the map, a gas price finder, and a parking finder to ...

An E6B flight computer is a vital pilot's tool designed for calculating various flight parameters, including groundspeed, fuel burn, time en route, and density altitude, by aligning values on its ...

Air carrier representatives are slated to meet this week with senior FAA officials to hash out concerns they have with the agency's notice calling for a 15% safety margin in landing distance ...

Units of speed are always a unit of length per unit of time. Different units of length and time may be chosen depending on the situation. This makes it easier to read the measurements. For example, ...

Measuring distances “as the crow flies” on Google Maps just got easier with a hidden feature in the mobile app. While most users rely on Google Maps for navigation routes, this direct line measurement ...

The imminent tightening of fuel control areas around the US is providing ship operators with a new set of challenges to face in the drive for cost effective operations. AtoBviaC has provided the ...

US investigators are examining landing distance calculations as they try to determine why a Honda Aircraft HA-420 overran a wet Oregon runway before coming to rest submerged in water. All five ...