According to NASA's official website, on the 1st, scientists from the Goddard Space Flight Center have developed a groundbreaking laser technology known as "BILI," short for "Biological Laser Imaging." This innovative tool is based on remote sensing techniques originally used by the U.S. military to detect hazardous chemicals, gases, and pathogens in the air. BILI is designed to "smell" for signs of life on Mars and other planets within our solar system.
BILI operates using fluorescence-based laser detection, functioning similarly to radar but instead of sound waves, it uses light. The prototype has shown promising results, capable of identifying bioterrorism threats in public spaces and detecting organic biosignals on Mars. While NASA has previously used fluorescence detection devices for monitoring atmospheric chemicals in climate research, this is the first time such technology is being adapted for interstellar exploration.
Ranimir Prayer Yevik, the lead developer of BILI, explains that the instrument will be the first remote sensing tool to scan interstellar dust. Its powerful laser emits pulses that cause dust particles to fluoresce, allowing scientists to analyze their composition and determine if they contain organic life forms or biological traces.
Compared to traditional instruments on Mars rovers, BILI offers significant advantages. It can detect complex organic compounds in real-time over hundreds of meters, even when the rover encounters challenging terrain. The device can sensitively "smear" life signals in dust and perform real-time spectral analysis through an aerosol analyzer, reducing false positives caused by contamination.
Additionally, BILI can be mounted on orbiting spacecraft, enhancing NASA’s ability to search for signs of life across the solar system. Yevik and his team are continuously working to improve BILI’s durability and reduce its size, ensuring it can effectively detect traces of organic molecules in airborne particles on Mars.
In the quest to find life on Mars, even the simplest tasks—like "looking," "smelling," drilling, or collecting soil—are far more complex than they appear. Gathering accurate data quickly is essential for all future research, making efficiency and precision key goals for Mars exploration technologies. Of course, the success of these missions begins with the safe landing of advanced equipment on the Martian surface.
Precision CNC Machining Parts
The production process of a machine is the whole process of making a product from a raw material (or semi-finished product). For machine production, it includes the transportation and preservation of raw materials, preparation for production, the manufacture of blank, the processing and heat treatment of parts, the assembly and debugging of products, paint and packaging. The content of production process is very extensive. Modern enterprises use the principles and methods of systems engineering to organize production and guide production, and regard the production process as a production system with input and output.
The technological process
The technological process
In the production process, the process of changing the shape, size, position and nature of the production object, so that it becomes a finished product or semi-finished product is called the technological process. It is an essential part of the production process. Process: casting, forging, stamping, welding, machining, assembly processes, such as machinery manufacturing process generally refers to the part machining process and machine of the sum of the assembly process, other process is known as the auxiliary process, such as transportation, storage, power supply, equipment maintenance, etc. The technological process is composed of one or several sequential processes, and a process is composed of several working steps.
Working procedure is the basic unit of mechanical processing process. The so-called process refers to a (or a group of) workers, in a machine tool (or a working place), on the same workpiece (or at the same time to several workpiece) of the continuous completion of that part of the process. The main characteristic of a process is that it does not change the processing object, equipment and operator, and the content of the process is continuously completed.
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