Yearly Archives: 2014

27Oct 2014

I wrote in a previous post that the standard for a dead battery — at which point it should be replaced — is 80% of its original capacity as a newly manufactured battery. Why is that? Is this a random value or is it based on a valid rationale? At the surface of it, this question […]

22Oct 2014

The new iPad Air 2 is a beauty, isn’t it? At 6.1 mm thick, it is nearly feather light. The new iPhone 6 is 6.9 mm. The Android competition is not far behind. The race to make ultra thin smartphones and tablets is on. Thin is in…but certainly not easy! One very important design parameter […]