Chevrolet pickup trucks haven't used square wheel wells for a while. Why did the old Chevrolet trucks have square wells? Why do newer models have rounded ones?

MG has used the Goodwood Festival of Speed to introduce two new models, a concept, and an apparent styling exercise. The company also showcased the EX4, which is a reimagining of the Metro 6R4 rally.

The U.S. Air Force is testing drag-reducing devices called “Finlets” on MC-130Js with the goal of improving the transport aircraft’s fuel efficiency and range.

Finding the diagonal of a rectangular box requires two calculations: first determining the base diagonal using the standard two-dimensional formula, then applying the theorem again with the height ...

Find out how to reshape cardboard box to maximize packing efficiency. No new boxes needed, just a few simple tools.

That’s achieved in part thanks to its 0.21Cd drag coefficient, air-to-air (essentially more efficient) heat pump, and intelligent energy recuperation.

Learn the basics of vehicle aerodynamics and drag reduction, and the methods and tools for measuring and comparing the drag coefficients of different vehicle shapes.

Long-term durability Large box culverts are generally constructed using reinforced concrete, which is extremely strong, long-lasting, and enduring.