Using A Cannon To Shoot Ping Pong Balls at 900 MPH

What happens when a ping pong ball moving at supersonic speed hits a paddle? Here’s a video explaining the physics of how a ping pong ball can be accelerated to supersonic speed. Even though the ping pong balls are almost as light as a feather they can still cause a great deal of damage.

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NASA Released A Stunning 4K Video Of A Solar Flare

On April 17, a mid-level solar flare was released from an active region on the sun’s right side, resulting in short radio blackouts. NASA’s Solar Dynamics Observatory captured the event in several wavelengths of extreme ultraviolet light which are normally invisible to our eyes. However, NASA color-coded these SDO images…