The head of a pin is about 2mm in diameter. Use this animation to compare the relative sizes of cells and organisms sitting on a pinhead. Nearly invisible without magnification, dust mites dwarf pollen grains and human cells. In turn, bacteria and viruses are even smaller.se this animation to compare the relative sizes of cells and organisms sitting on a pinhead. Nearly invisible without magnification, dust mites dwarf pollen grains and human cells. In turn, bacteria and viruses are even smaller.
GPS and GSM Tracking. GG-Tracker tracks the location of your mobile device. It displays your position on the internet using Google Maps / Earth and uses live updates via AJAX technology.GG-Tracker can run standalone or integrated on an existing webpage.G-Tracker tracks the location of your mobile device. It displays your position on the internet using Google Maps / Earth and uses live updates via AJAX technology. GG-Tracker can run standalone or integrated on an existing webpage.
GSM is a TDMA based wireless network technology developed in Europe that is used throughout most of the world. GSM phones make use of a SIM card to identify the user's account. The use of the SIM card allows GSM network users to quickly move their phone number from one GSM phone to another by simply moving the SIM card.