1. Tears of the Netherlands
This is a mysterious glass mass known as "Dutch Tears." It is also called "Prince Rupert's Drop" in English, after its introduction to England in 1660 by Rupert, Earl Palatine of the Rhine and Duke of Cumberland. It is said to be extremely rigid and can even withstand bullets.
To destroy it, you hit its tail. The impact then explosively propagates throughout, shattering it into pieces like this.
This characteristic led to the invention of modern shatterproof glass.
2. A bar magnet lying in a sea of compasses
You can observe how the magnetic field lines clearly extend from north to south.
3. Dual 5x optical zoom (developed by Oppo)
It uses optical zoom, not digital. The quality of digital zoom is unfortunately poor. By employing a periscope system, high-quality zoom is achieved. It also overcomes the camera bump common in smartphones. It was announced at the 2017 Mobile World Congress.
4. SpaceX Falcon 9 rocket landing
Why dump fuel boosters into the ocean? SpaceX has developed technology to automatically land the first-stage engine on an unmanned ship at sea, dramatically reducing the cost of spaceflight.
5. Boeing 787 before interior renovation
The influence of Star Trek is undeniable!
6. The "Elephant's Foot" of Chernobyl, Ukraine
The lump you see on the floor is commonly known as "elephant's foot."
The "elephant's foot" is an object formed from melted nuclear fuel mixed with large amounts of concrete, sand, and nuclear sealing material. It lies dormant underground where the core originally was located.
It is said that exposure for 300 seconds can lead to death two days later.
7. A knife made from a meteorite.
8. Zebrafish larvae observed with an electron microscope
9. Smoke rings photographed on Mount Etna, Sicily, Italy
