You'd be surprised that old door knobs can be both a chic and practical window treatment addition, as they're the perfect shape to enhance your curtain rods.

The first four tunnel boring machines are coming to New Jersey to build the Gateway rail tunnel. Here's what they do and why they're the safest method.

The theory behind hydropower is very simple: water obeys gravity and imparts the gained kinetic energy onto a turbine, which subsequently drives a generator.  The devil here is, of course, in all ...

For people who build their own model trains there are a range of manufacturers from whom a power bogie containing the motor ...