Safety

19Aug 2019

New menu settings inside Apple’s iPhones display a warning sign if the device’s battery is not recognized as authentic. Other smartphone manufacturers are curbing users and unauthorized repair shops from replacing the battery.

Why it matters: Smartphone manufacturers and Apple say that their actions guarantee the integrity and safety of the batteries by preventing the possible use of counterfeit batteries. Some users have objected citing a right to repair.

Continue reading
Share this post
08Apr 2019

Let’s say you love to ride your bicycle and that you want to measure speed without using fancy computers and GPS. What would you do?

High-school physics to the rescue! All we need is the circumference of the wheel then count the number of rotations the wheel makes in a certain amount of time that we can measure with our stopwatch. The speed, v, is calculated as the number of rotations, N, multiplied by the circumference, L — that’s the total distance traveled by the wheel — divided by the measured time, T. Put in one simple equation:

Continue reading
Share this post
15Feb 2019

Everyone’s excited about 5G. And with good reason. All the great things we have been able to do on our smart phones with 4G LTE will multiply into bigger and better things in the 5G Era. We’ll be able to send and receive huge text and image files in the blink of an eye. Entire movies will download in seconds. In short, 5G will make our smart phones vastly more useful as business productivity tools and as entertainment platforms. I don’t know about you, but I can’t wait.

There’s just one thing. The excellent experiences of 5G can’t happen without battery power.

Continue reading
Share this post
31Oct 2018

The break I took from writing is over. I hope many of the readers took the time to read, re-read and digest the insight I shared in my earlier blogs. 

My return theme is around battery safety.  Since 2016, when the Samsung Note 7 became headline news, there have been countless reports of battery safety problems, several of them with catastrophic outcomes. As ominous as they are, these events are covered on the second page, not the first page. But that should not offer any of us any peace of mind….as the old saying goes “where there is smoke, there is fire.”

Continue reading
Share this post