Learn How to Create a DIY Cardboard Lock! Discover the secrets of crafting your very own fully functional lock using just cardboard! This easy DIY lock tutorial will guide you through the steps to ...

Not all paper coffee filters are created equal. We break down eight different brands, exploring how they differ and when you ...

The university strives to maintain the integrity of university buildings and their contents and to achieve maximum security while maintaining reasonable usability of university areas. University ...

Kai Kloepfer, 19, has developed a prototype gun that unlocks with a fingerprint sensor, like a smartphone. Could it save lives? WSJ's Geoffrey A. Fowler takes it for a first test shot. Photo/Video: Ja ...