DEAR BONNIE: I have been seeing the number sequence 333 for the last two days. Those numbers hold a deep meaning for me, as that is the exact time my dad passed away. Who do you think is sending me ...

Optical illusions are visual puzzles that are designed in such a way that they can cause the brain to interpret what it sees differently from physical reality. These illusions don't mean that there is ...

A brain teaser is like a fun little challenge for your mind. It’s a puzzle or riddle which is designed to make you think creatively and critically, often in ways you’re not used to. At first glance, a ...

When you count to 20, you start at 1 (or zero) and count on until you reach 20. Each number is one more than the last. When you count back from 20, you start at 20 and count back until you reach 1 (or ...

Abstract: The trade-off between the security and efficiency of a lightweight crypto design is interlinked with the fine harnessing of entropy sources. Merging this source with a finite random sequence ...

Hey there. I’m Neil Armstrong. These are my buddies Buzz Aldrin and Michael Collins. We’re descending at 17,500 miles per hour, temperatures of 3000 degrees surround this tiny metal capsule and to my ...

Abstract: Prognostics and Health Monitoring (PHM) of machinery is a research area with great relevance to industrial applications as it can serve as a foundation for safer, more cost-efficient ...