I've always been curious about the two holes on ungrounded NEMA 1-15 plugs (Type A). There they were, one hole on each blade -- what were they for? When I had to make an electrical connection inside a junction box a few days ago, to power up a little adapter for a network camera, I thought: why … Continue reading What do you think of this?
In this video, you will find out why it's important to use a proper battery charger-analyzer and how using one helped me spot bad batteries in the batch of Ni-MH batteries used in my electronic equipment. http://www.youtube.com/watch?v=wer8val_6hg Before I got my charger-analyzer, I always wondered why some of my batteries seemed to last so little … Continue reading Here’s why should you get an advanced battery charger-analyzer
I've recently had the chance to try out three noise-canceling headphones: Bose QuietComfort 2 Creative Aurvana X-Fi Philips SHN9500 I looked at these criteria as I used the headphones: Effectiveness of noise-canceling technology Quality of sound Fit and comfort Price What may or may not surprise you is that all noise-canceling headphones block only low … Continue reading A look at noise cancelling headphones
A couple of months ago, I had a crazy idea, which I thought might just work: get a 1080p HDTV, a really nice one, and use it as my computer monitor. The advantage: cheaper and bigger than 30" LCD monitors. I also found a model that I thought couldn't be beat -- one that displayed … Continue reading Use an HDTV as my computer monitor?