Which devices in daily life use quantum technology and how do they work?
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Update time : 2021-08-31 12:13:37
Which devices in daily life use quantum technology and how do they work?
When it comes to quantum physics and quantum technology, many people may feel strange, but in fact, both are part of our daily lives.
From navigation to LED lights, quantum physics has advanced many technologies that people take for granted.
Many devices that people use use quantum technology, and many of these devices were developed before the knowledge of quantum physics was mature enough to better understand these devices. Although quantum physics has been developed for more than 100 years, scientists are still exploring this mysterious field so far.
Below, we will introduce in detail some of the products that people commonly use quantum technology in daily life.
1. LED
LED lamps, also known as light-emitting diodes, are used in almost every household because they are more energy-efficient and brighter than other light bulbs. LED makes people's lives more colorful. From interesting designs such as LED wallpapers to clock faces, LEDs have been integrated into people's daily lives.
The working principle of LED is the use of semiconductors, which are materials that conduct electricity between good conductors such as copper wires and insulators such as glass. These semiconductors are designed with holes, and when electrons pass through the electron holes through an electric current, they release energy through photons or light particles. The color of this LED light is determined by the size of the inner hole of the semiconductor, and only some LEDs use quantum technology.
The quantum technology in LEDs works when electrons release photons, and their quantum states will decrease. This makes the LED more energy efficient overall.
LED is not only used for home lighting, but also for data communication, such as for listening systems. In addition, LEDs are also used to send data through fiber optic cables, and even to detect life. The US Army Research Laboratory (ARL) is using LEDs in the ultraviolet spectrum to induce fluorescence in different organisms, such as algae fluorescence tests.
LED is also used for tattoos. When the LED and tattoo ink are injected into the body at the same time, these tattoos will light up. Several medical companies are studying medical applications of these tattoos, including blood glucose monitors, or assisting in other monitoring. But the U.S. Food and Drug Administration (FDA) has not yet approved these devices.
The future of LEDs looks very interesting. Some companies are developing LEDs that can detect and absorb light. These are called "Nanorods" and then use quantum sensors to observe and detect light.
In the future, time will prove how advanced LED technology can be.
2. laser
3. Global Positioning System
4. NMR
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