What scientific principles is the Nautilus based on

The principle of the heart rate monitor is to feel the change in the heart muscle potential through a strap worn on the chest, and then transmit it wirelessly to the watch worn on the wrist, providing the change in heart rate per minute through technical effects such as amplification. >>>More

According to science, science creates technology.

Pendulum clocks were invented based on the law of a single pendulum. >>>More

Computer (computer) full name: electronic computer, commonly known as computer, is a kind of modern intelligent electronic equipment that can run according to the program and process massive data automatically and at high speed. A computer that consists of hardware and software, without any software installed, is called bare metal. >>>More

Many people will be surprised when they see an airplane flying in the sky, it is so large and made of some metal, it is really incredible to be able to fly in the sky. Do you know how the plane was designed? Is it related to birds? >>>More