The ability to 3-D print liquid inks and soft materials—such as polymers, colloidal solutions, and even living cells—is useful for tissue engineering, prosthetics, and medical applications. A new oil ...

As new evidence of their usefulness unfolds, fresh attention is being paid to use of emulsified asphalt tack or bond coats in bituminous paving. They’re commonly called “tack” coats, but as their ...