Throwing them in the trash can is not a good way to protect the environment.  If you disassemble the computer and remove the components you can throw away the empty case, but most of the other parts contain metals that should not be in the landfill.  The circuit boards inside electronic equipment contain lead, mercury, cadmium, and other heavy metals that are bad for the environment.. The chips can...

The term “3G”, now being used in many cell phone advertisements, refers to the 3rd Generation of wireless technology.  To put a frame of reference around that, 1G was developed back in the 1970’s.  That technology — the first version of the mobile radio phone — was at a level not much higher than that used by amateur radio operators.  2G Wireless followed in the 1990’s, bringing...