The protest in Jantar Mantar, Delhi, ended after Education Minister resigned. But internet shutdowns during the protest, followed by a Govt direction asking GitHub to remove opensource BitChat, concern me as a technologist. Privacy is a fundamental right in India, and personal communication cannot...
I was looking for a long-term rechargeable option for a few household gadgets. I knew 1.5 V lithium AA cells existed, but I had never used them till now. So I thought today was a good day to explain how they work. Lithium batteries in consideration are of two kinds. The first is primary lithium...
If you are from India, you may have seen the e-rickshaw battery videos this week on how e-rickshaws are getting so called “hacked” & disabled and India govt banning the vendor apps allowing for Battery Management System access. TBH its not even a hack. Its a safety feature to probably...
There has been a lot of hue and cry around AI data centers. I think a good part of it is valid, because big ones can stress the local power grid and water systems. The energy side is harder to solve as every calculation needs electricity. The water side is more interesting, because water is often...
There has been a lot of discussion around E20 fuel being rolled out across India. One side says it is cleaner and better for emissions. Another side says it hurts mileage. I wanted to look at the cleaner-fuel claim from a science point of view just for my understanding as there is lot of...
Bluetooth 6.3 spec was released a couple of weeks back, and I finally got time yesterday to go through the changes. The most interesting one is Inline PCT Transfer. Lets discuss that today. I had written about Channel Sounding for distance measurement in older posts. In that, 2 BLE devices...