The lower fuselage half of the Multifunctional Fuselage Demonstrator (MFFD) being assembled at SAM|XL, shown here with conduction-welded stringers and ultrasonic spot-welded clips. Photo Credit: ...

Being able to quantify a surface finish is both a complex and necessary task. While surface topography relates to a three-dimensional property, the most accepted surface measurement parameter is ...

What if a surface could instantly switch from sticky to slippery at the push of a button? By using electricity to control how ions and water structure at the solid liquid interface of self-assembled ...