TAMPA, Fla. — We're asking questions about food safety and product tampering and you should too. By now, you might have seen the viral video of a girl who removed the lid off an ice cream tub, licks ...

A cryptographic tag uses terahertz waves to authenticate items by recognizing the unique pattern of microscopic metal particles that are mixed into the glue that sticks the tag to the item's surface.

Tamper-resistant or security fasteners are often used to prevent unauthorized entry. They are often non-removable or require a special tool to remove them. Higher-quality tamper-proof fasteners have ...