One of the challenges is to speed up the calculation of long-range Coulomb interactions when assembling the Fock matrix elements.
Gaia's challenge is to measure the speed and position of one billion stars by observing each of them about 70 times over the next five years.
This month's first challenge is to bring readers up to speed with events via a "Previously on Neighbours -style moNeighbours -style
Once the craft got good at identifying and predicting the bearing of other high-speed drones, the next challenge was to empower the good drones to take action.
Understanding motion perception continues to be the subject of much debate, a central challenge being to account for why the speeds and directions seen accord with neither the physical movements of objects nor their projected movements on the retina.
The challenge is somewhere between foster parenting and speed dating.
Another way of looking at the challenge is that in 10,000 years, the speed of humans has jumped by a factor of about 10,000, from a stroll (2.6 m.p.h). to the Apollo astronauts' return from the Moon (26,000 m.p.h).. Reaching the nearest stars in reasonable time — decades, not centuries — would require a velocity jump of another factor of 10,000.
In a high-speed railway domain, the challenge is even greater.
A. The biggest challenge is getting up to speed, and helping to take a car that is not winning and to make it win.
Another challenge is getting up to speed in new technologies.
