The trail begins with two hours of a light track until you reach the Carrasqueira, a steep wall of stone crossed with the use of ropes and helmets.
Sunday's race will be the first time an F1 race has started in daylight and ended under floodlights and the drivers were quick to get out onto the track to assess the impact of the changing light conditions and the cooler track temperatures.
Armed with their iPhones, they were able to use the GPS and mapping features to get to the exact positions they needed to track the light.
The train behind it had a green light and was charging down the track.
And because sensors beneath the fibers can sense when any given blade's light is obscured, referees can track the footsteps of a player to determine if he was in-bounds or not.
He told BBC Radio 4's Front Row the track - called Carnival of Light - was not released because the other Beatles thought it was too "adventurous".
It worked for her rendition of the song I Love New York, but I wasn't so sure about using it for Ray of Light, which is such a dance track it seemed odd to watch her strumming a guitar for it.
Cars faced off on a two-lane, aluminum track, with a little red light blinking to signal who won.
WSJ: Gentlemen, Start Your Little Cars: These Derbies Are for Grown-Ups
Due to be completed by the end of 2014, the UK's sixth indoor cycling track was recently given the green light - though supporters of the project had an early scare.
That track record is especially impressive in light of the fact that D-5 missiles are designed to be ejected into the air by pressurized steam from submerged vessels, and only ignite once they are clear of the water.
Light therapy (such as from exposure to the sun or another bright light) may also help get you back on track.
The controller also features a light bar, which means a new PlayStation camera can more easily track the device for motion control.
Meanwhile in the Park leads off with its title track, featuring gentle, Spanish-style acoustic guitar with light drumming.
Here, too, Ms. MacKinnon serves the script well, making sure that the first act is played with so light a touch that you won't see the train of rage roaring down the track until it's far too late to get out of the way.
Few in that country can forget the impressive sight of Li Ning, himself in a track suit of his own design, being hoisted up at the Bird Nest stadium to light the torch during the opening ceremony of the 2008 Beijing Olympic Games.
The build of Android on the device is still Ice Cream Sandwich with a light skin, but we were assured an upgrade to Jelly Bean is forthcoming and, given the company's track record, we're inclined to believe it.
应用推荐