Green Killing Machine This is a review of the Green Killing Machine UV sterilizer for aquariums. My planted aquarium had been stable and crystal clear for over one year. About 3 weeks ago the water became cloudy and then pea-soup green. Possible factors contributing to the algae bloom were: Dead Read more…
Relative Efficacy of Different Methods of Contraception I was reviewing some information on menstrual irregularities and contraception and thought it would be helpful to point out a few things. When choosing the best contraceptive method there are many factors to consider, but the first factor should be how effective it Read more…
Shark Rotator Professional Lift-Away Upright Vacuum, (NV501) This is a review and demonstration of (a sort of “how to” video) of the above vacuum cleaner. Most of the information is included in the linked-to YouTube video. One of our vacuum cleaners “died” and I had been looking for a replacement. Read more…
Diagnosing Internet Connection Problems Introduction There are many things that can go wrong to interfere with a reliable internet connection. Usually, one can systematically isolate and correct the problem without too much difficulty by knowing the wiring diagram of the network and which devices are affected by the problem. I’d like Read more…