To execute a movement towards a sensory target, it is necessary to transform the representation of the target from a sensory reference frame (for example, a head-centred reference frame for the ...

The surface of Earth is constantly being reshaped by earthquakes, volcanic eruptions, landslides, floods, changes in sea levels and ice sheets and other processes. Since some of these changes amount ...

For this year’s Thanksgiving, nearly 49 million Americans are expected to hit the road for the holiday, according to the AAA. And many of those travelers will be using their cars’ onboard GPS ...

VLBI is the only technology that permits determination of positions on Earth with a direct relationship to a celestial reference system. The International Celestial Reference Frame (ICRF) is an ...

How do you know where anything is in space? Sure, you can say, “Oh, that star, it’s the one in the middle of the Big Dipper,” but that’s not very useful in an era of incredible telescopes peeping at ...