Tech Info Talks

The retina display has 326 dpi resolution.It has sharp and slick screens around.When kept at a distance of 10-12 inch human eye can distinguish only upto 300 dpi.The retina desplay is used in iPhone4 .The iPhone 4 screen provides 326 pixels.This has good resolution of 960x640 packed in 3.5 inch screen.These pixels are squeezed between two glossy aluminium nosilicate glass which is used in helicopter and high speed train wind-shields.

Mobile users especially Nokia mobile users are familiar with word Symbian . When Symbian phones were introduced they were have great demand. It has made a great  impact in the market. But recently its demand has been affected. Nokia has officially announced the stop the production of mobile with Symbian Operating system. This downfall of Symbian has to be blamed on Google’s Android . Android is given more publicity than anything else. Whatever be the fact, Android is setting its stage. Symbian is made the Operating system for Nokia only. But all the other leading mobile phone are now providing phone with Android operating system in them. Apart from developers android is getting support from mobile handset manufacturers. It’s like they are waiting for the successor in the industry to take on. Also Google is providing secure and user’s friendly brand to its customers. Here is where Symbian fails. Symbian and android has not given developers any open community or open code. So the main

Hawk eye technology is the backbone of Umpire decision review system.Its tracks down each ball's direction and speed and generate the animation video which is used to draw a conclusion to umpires decision.This technology is used in fighter jet planes.Its is used to test direction and probability of winning chance of the missile that is being launched from fighter jet plane.In tennis it is used to resolve the line call appeal problems. Hawk eye is usually used for checking the LBW(Leg before wicket) calls made by the balling team.This technology in cricket uses 6 specially placed camera on the ground.It can track the bounce,spin of the ball,swing and speed.The image obtained from the cameras are made into a 3D images which can be used to show how the ball travels in an imaginary cricket pitch. So we can see on the  whether the ball would have gone on to hit or miss the stumps.This can conclude the umpire decision is right or wrong.