Is there any relationship between density and effective stress I found a question in a book regarding this and I was not able to solve that, if there is a relationship then please provide the formula

Many Indian IT CEOs have been saying this  - fresh graduates produced by engineering colleges aren't fit for hiring.Of course, such public statements by the key people in the industry...

Researchers at the Georgia Institute of Technology have invented some wearable technology that will let people control their computers and mobile apps with hand gestures. http://www.machinedesign.com/mechanical/ring-and-wristband-let-computers-read-gestures?NL=MACD-001&Issue=MACD-001_20180605_MACD-001_300&sfvc4enews=42&cl=article_2_b&utm_rid=CPG05000000559845&utm_campaign=17677&utm_medium=email&elq2=a755b230b5924d659896c46ff63679f8

This appeared in the New Indian Express a couple of days back.What do CEans think? Unfortunately the mediocrity of many engineering colleges in India is too glaring to be veiled.http://epaper.newindianexpress.com/c/29288262