Optical illusions and visual puzzles are all the rage these days due to their ability to enthrall social media users. These brain teasers improve cognitive functions and are a fun way to pass the time ...

Abstract: A printed circuit board (PCB) functions as a substrate essential for interconnecting and securing electronic components. Its widespread integration is evident in modern electronic devices, ...

Twelve terrorists. One cop. The odds are against John McClane... That's just the way he likes it.

A tooth cracked in half may not hurt, but it still needs prompt evaluation—delaying treatment can lead to infection, nerve damage, or tooth loss. Even without pain, warning signs like sensitivity, ...