Glass can be very strong and scratch resistant. Although when we drive at highway speed any object can instantly crack a windshield, making it seem like the glass is very weak when in fact it is incredibly strong. I've heard so many different stories about cracked windshields its almost unbelievable. People's vehicles get hit by rocks, gravel, pipe

Plumbers provide a service, but the end result is a little more important than nailing that perfect haircut or getting your latte order just right. You probably have a favorite hairdresser and coffee house-and you probably found them after much trial and error. When it comes to plumbing, you can't afford the luxury of choosing the wrong plumber. On

Cordless Drills are wonderful tools. Almost everybody from professionals to home improvement DIY hobbyists use them. When this tool stops working it's a nightmare because the work is interrupted. And oftentimes the problem is that the batteries are no good anymore.The battery chemistry has 3 types: NiCad, NiMH, and Lithium-ion. NiCad, or NiCd, batt

You might ask "What is the 3V motherboard battery"? On the majority of PCs the motherboard holds a +3 Volt Lithium Battery which is used for two functions. Firstly it keeps the computer time updated. Secondly, on older PC's it keeps the BIOS settings (Low level start-up instructions) in memory.This is the most basic of hand held power drills. It is