This is an instructional video that teaches you how to play the jaw harp by Jack Pearson.
How to Play the Jaw Harp?
This is Ali. Bespectacled and mustachioed father, math blogger, and soccer player. I also do consult for global math and science startups.
The Enduring Power of Books Through Carl Sagan’s Eyes
Books have always been a powerful medium for knowledge, entertainment, and inspiration. They have stood the test of time, from the earliest scrolls and manuscripts to the latest digital formats.…
Why so many people need glasses now?
Have you noticed that more and more people around you are wearing glasses these days? Well, you are not alone, as the rates of myopia or near-sightedness have been increasing…
How A Ballpoint Pen Works Close Up?
A ballpoint pen is nothing short of a marvel of modern engineering – beneath that humble and inconspicuous exterior lies a surprisingly complex internal mechanism.
Why Spider Silk is Stronger Than Steel?
Spider silk is one of the strongest materials known to man. Scientists have been trying to figure out why it is so strong and resilient for centuries. As it turns…
Why You Should Wash Knife After Sharpening?
Every sharp knife sharpener knows the importance of washing a knife after sharpening it. Without doing so, the small pieces of metal broken off the blade during sharpening can easily…
How Do Touchscreens Actually Work?
In 2010, South Korea experienced a particularly cold winter. People could not activate their touchscreens while wearing gloves, so they began wielding snack sausages— causing one company to see a…