The New US Government has announced its continued support for the plan of Returning to the Moon, while NASA now faces a lot of difficulties to land on the Moon in 2024.

First introduce the launch principle and travel route planning of "VSS Unity", then introduce the definition of the Altitude standard of "entry into space" by different departments, and finally briefly introduce the space travel plan of another company.

Due to a unified 15% tax rate, the pressure on multinational giants will increase.

The European Union is working to promote USB-C as a universal charging interface.

Vision department has its disadvantage, with the cost of lidar decreasing, it’s uncertain who can win in the last.

Elon Musk believe autopilots with simple optical cameras and human-like vision are more promising.

The high cost of wire harnesses makes smart cars with lidar not economical and applical.

The are still some defect in the autopilot, causing insidious danger while driving, whether it is beneficial still remains a question.

First introduce the importance of hard disk, so as to point out the reasons for hard disk recycling, then introduce the new components that can be disassembled from used hard disk, and finally verify Google's experiment and prove the feasibility of hard disk recycling.

This article introduces the component of the GPS and the calculation of the location.

Using the mouse to operate can be time-consuming and laborious, but according to the needs, there are appropriate shortcut keys to be used, whether to minimize windows or hide windows; whether to take full-screen capture or customized screenshot.

Even though it is not mandatory and necessary to learn the shortcut keys while using a computer, but it can save time while increasing working efficiency.

The scroll wheel of the mouse can be categorized into two forms, where rotary encoder type was broadly used in early ages, but now, optical encoder type is more common to be used.

This article mainly introduces the first commercial mouse made by Xerox and the first consumer-grade mouse by Apple.

There are mainly two kinds of display interfaces: HDMI interface and DP interface. This article mainly introduces their differences and advantages respectively.

NASA and SpaceX plan, sending humans to Mars and return safely. There are two things we need to consider: one is the time, if we want to get there earlier, we need more fuel. Mars’ atmosphere is 100 times thinner than Earth’s. We need to insurance the ways of safe landing.

Recommend four headphones, introduce their functions, prices, advantages and disadvantages as well as suitable groups respectively, and rank the recommendations of these headphones.

Robot vacuums are now the most efficient cleaners, and here are some recommendations. The Roomba s9+ is the most advanced one, the iLife A4s Pro is the best budget, and Wyze Labs provides the runner-up.