Not knowing who the other person really is! At the top of the video, you are watching American actor and producer Morgan Freeman. Although his voice and appearance are exactly the same, he is not real.

Researchers from MIT Lincoln Laboratory have developed a torus-shaped propeller. The toroidal propeller has a unique, closed-form propeller design that makes it a significantly quieter alternative to common multirotor propellers on commercial uncrewed aerial vehicles.

How deep are oceans?

Four speed manual gearbox works

While hoeing, the tiller touches the trees, causing damage or disease to the trees. It's a nice system. Get inspired for your projects. #agriculture #technology

A foldable house of 40 square meters. It can be installed in a day. We will be able to take our home where we go in the future!

Amazing!

Awesome RC F1 Car Design 😎

How a 4 Speed Manual Gearbox Works! #technology #automotive

With this simple system for long lighting poles, replacement of lighting fixtures can be safer and less costly. Let this logic be an inspiration for your projects.

That's how to play table tennis. Combination of real and virtual!

With Fresnel lenses, which are a dense lens type, the energy taken from sunlight can turn the rock into lava. Considering that the temperature of the lava varies between 500 and 1200 degrees, we can see how great the concentrated energy from the sun is. #science #solarenergy

In Singapore, a total of 31 apartment blocks with 6 floors each is a living space built on top of each other. It looks like Jenga blocks stacked on top of each other in an irregular way.

Different brain structures.

Good system for paralyzed patients.