#howthingswork

Miscellaneous | Interesting Stuff

Everything You Want to Know About Bicycle Gears and How They Work

Test editor Dan Chabanov breaks down the history, types of bicycle gear systems, how they work, and how to use them on your rides.

Health & Fitness | Health

N95 Respirators and Surgical Masks | | Blogs | CDC

CDC - Blogs - NIOSH Science Blog – N95 Respirators and Surgical Masks -

Miscellaneous | This is stuff I like

When Does a New Decade Actually Begin?

Nobody can seem to agree on whether the new decade began on January 1, 2020, or if it actually begins on January 1, 2021.

Miscellaneous | Interesting Links

How Do Fireworks Actually Work? | Mental Floss

Test your knowledge with amazing and interesting facts, trivia, quizzes, and brain teaser games on MentalFloss.com.

Science & Technology | Cool Stuff

Question Of The Day: Why Do Semi Trucks Have 18 Wheels?

So, how did 18 wheels become a standard for semi trucks? Finally, off­loaded cargo would be stored in a warehouse before trucks came to bring those goods to their final destination. Inklings of a different method ­­containerization ­­appeared as earl

Miscellaneous | Interesting Links

How Google handles searches it's never seen before

Google has been testing an AI-based system to help parse users' queries, especially those that the search engine has never encountered before.

Miscellaneous | Interesting & Helpful Information

The Meaning of Life - in 60 Seconds

It's generally good to take one's time, but there may sometimes be a need to compress all one knows into the briefest possible span. So here is our sense of ...