Jebel Hafeet Mountain Raod.

The Jebel Hafeet Mountain Road - Al Ain - UAE, extends for 11.7 km up the mountain, rising 4000 ft (1219 m). With three lanes and 60 corners, the immaculate road was called the greatest driving road in the world by Edmunds.com. The road scales the mountain and ends at a parking lot with only a hotel and a palace belonging to the country's rulers. 

Cloud Computing

The Cloud idea is for a user to simply do things on his device regardless of what's behind the device, whether it is OS, network, communication, server. This idea places absolute freedom in what device the user chooses to use, the users have absolutely no need to look beyond the device he is using, therefore you can discard all those network, OS, and servers.

Increasingly it is the user device that's all the people would see, and this device is already in the form of the iPad, and nothing but the iPad.Cloud computing from an implementation viewpoint is keyed on one single computing element: the dispatcher.Dynamically virtual scalable neither has a central computing nor a central storage. All the resources are virtualized and provided as service over the internet. An internal dispatcher system that allows an application's components to communicate using predefined signals.

iPad is designed as an integration platform. Cloud computing is implemented as a two-tier platform, but iPad as a client has total sub host self processing capabilities. iPad is truly an amazing User layer that has Unix lineage going as far back as necessary, such as VT100, and Unix-to-Unix, and Unix-to-SNA bridges. Techies will find the iPad a truly open platform with a different Apple license much like the jailbreak community in backward compatibility even with 3270 data stream and RFC capabilities. The key is standards.

Apple OSX is one single standard. IBM is already the biggest iOS shop having acquired and developed huge infantry of iOS talent already engaged in silent iOS projects numbered in the thousands, Android is a distant second.

IBM mainframes have long been hosting thousands of Linux subhost environments, and these will play instrumental roles with iOS mobility with native kernel compatibility with the BSD based iOS. Apple Unix is strategic, others are not, IBM Enterprise OS and zOS are 80% Unix System V compliant, HP UX is 100% Unix System V compliant, these industrial giants are tied at the umbilical cord.

http://www.youtube.com/watch?v=XdBd14rjcs0

APO/Apochromatic

Non-APO lenses splits the white light and disperse them to produce color fringes. And this is exactly what is meant by CA/Chromatic aberrations. This is because the colors red, green, blue are bent to different extent hitting different focal plane which causes degradation in sharpness as well as producing CA.

Mr Thomas M Back is deemed to be a famous optical lens designer and as per him the definition of apochromatic is as follows:

“An objective in which the wave aberrations do not exceed 1/4 wave optical path difference (OPD) in the spectral range from C (6563A - red) to F (4861A - blue), while the g wavelength (4358A - violet) is 1/2 wave OPD or better, has three widely spaced zero color crossings and is corrected for coma.”

Most telephoto zoom lenses employ ED glasses to provide apochromatic like performance. These are low dispersion glasses to bring all the colors on the same focal plane. The more the combination of ED glasses the more accurate all the colors brought to the same focal plane or the less focal shifts and thereby increases the sharpness.

Apochromats with ED glasses are less stable with temperature than apochromats with conventional glasses and so the focal length of these lenses changes with temperature.

Nikor 18-200mm VR the best commercial lens in market is built with 2 ED elements and thus more prone to CAs on bright sunny day. Nikor 70-200mm VRII employs 7 ED glass apart from providing better build quality/ sharpness reduces colour fringes to maximum extent. Sigma lenses will be marked with APO for having apochromatic features.

Do consider these factor while buying glasses.