Four Wheeler reader Allan asks:I have a 1985 and 1986 CJ-7 both set up almost exactly the same with the following exceptions: the 1985 has dual batteries with Kirkland batteries (6 months old) and a ...

The average car battery has a lifespan of about three to five years. Proper maintenance and care can make a big difference if ...

Jonas & Redmann developed a precision, flexible laboratory R&D system for the reproducible deep drawing of composite foils, e.g. aluminium composite foils. The laboratory machine offers an array of ...

Drawing inspiration from the way plants breathe, a group of researchers has created a paper-based magnesium-air battery that can be used in GPS sensors or pulse oximeter sensors. Taking advantage of ...