King Sasanka – Sri Lankan Writer & Retired Aviation Professional.

It’s hard to walk five meters in Colombo or Kandy without seeing those little black-and-white pixelated squares. From paying for your kottu to scanning a LinkedIn profile, QR codes have become the unofficial "digital glue" of Sri Lanka. But while we’re all experts at pointing our cameras at them, few realize that this technology wasn’t born in a Silicon Valley lab, it was born on a factory floor, inspired by an ancient board game. In the early 1990s, the automotive industry was hitting a wall. Masahiro Hara , an engineer at Denso Wave (a subsidiary of Toyota), noticed that the traditional barcodes used to track car parts were failing. Barcodes are "one-dimensional", they only store data horizontally. This meant they could only hold about 20 characters of information.  Workers often had to scan up to ten different barcodes on a single box just to log the parts. The "Go" Inspiration Hara wanted a code that could be read faster and hold more dat...

The best protection for any virus related diesis is to boost your own immunity system while adhering to recommended safe practices. No amount of prescribed medication will help you. The other most important aspect of the game is to have a positive mind and live stress-free life at least during the infected times. The present situation is the same and I think it had gone into this proportion due to the combination of all above in varying degree. Nowadays, social media is awash with so much muck regarding the current health situation in the world. Some think that flooding seemingly useful information would help others but they are not. Their intentions may be pure and bona fide, but in the end, it would have the right opposite of the desired effect intended. What they usually do is affect your inner peace and increase your stress level. This situation is good for fear mongers many are still gullible. I am not an expert on any of those matters, but the only advice I can give you based on ...