Simple Trick to Fix a Gas Lighter: We all use a lighter to light a gas stove. But what happens is that after a few days, the lighter either stops working or works in a stuttering manner. Now, in such ...

Ordinarily, when there's a leak in an underground natural gas pipeline, the affected section of pipe has to be excavated and replaced. Soon, however, a pipe-inspecting and -repairing modular robot may ...

There is something oddly satisfying about that crisp click when a lighter sparks to life in the kitchen. However, the moment it stops working, most people discard it and rush to buy a new one. What ...