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technology

Tech Explained: Lithium AA cells

Amaldev

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...

Tech Explained: Data Center Liquid Cooling

Amaldev

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...

Tech Explained: E20 petrol

Amaldev

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...

Back to Basics: AMR sensors

Amaldev

Today, let’s discuss AMR sensors. These sensors are still relatively new to many embedded builders because you mostly find them in motors, steering systems, actuators and industrial encoders. I thought it is worth covering for newer folks. AMR means Anisotropic Magneto-Resistance. A thin...

ChatGPT is going to kill God

Adam Kotsko

I hate generative AI. I hate how it’s destroying writing pedagogy and giving students even more excuses not to read (because they can just read a “summary”). I hate how whiny and defensive AI users are about the pathetic little ways they’ve integrated it into their lives. If I could push a...