Q: My home is about 20 years old. My problem is with the lights in the kitchen. Sometimes they work and sometimes they don’t. When I turn on the switch, the light flickers or just partially lights. I ...

Sometimes it's hard to let go of the perfect and accept the possible. It's time -- now -- for all parties engaged in the ballast water and invasive species issues to put down their swords, take a ...

Railway track engineering is a multidisciplinary field that focuses on the design, construction, and maintenance of rail infrastructure. A critical component of this endeavour is the ballast, which ...

ANN ARBOR, Mich.---University of Michigan researchers are investigating a radical new design for cargo ships that would eliminate ballast tanks, the water-filled compartments that enable non-native ...