An image captured by a Chinese satellite with 24.9 billion pixels using Quantum Technology is doing the rounds on several social media platforms and news websites. The viral picture is a 360-degree birds-eye view that can be zoomed in to the point where you can see the faces of people casually strolling down the road and even the number plates of vehicles.
One of the most interesting parts of the mind-numbing image is the clarity and sharp detail with which the buildings and surroundings appear in the image.
What is Quantum Technology?
Quantum technology is realized due to various nanomaterials that exhibit quantum effects. One of the main tenets of nanotechnology is that when a material is within the quantum regime (i.e. less than 100 nm in thickness), it exhibits quantum effects rather than the bulk effects seen with larger molecular structures.
Quantum technology combines the properties of both various nanomaterials and quantum mechanics. This differs from bulk materials where the properties are governed by classical mechanics. One of the most fundamental principles underlying these materials is electron bonding, which in turn leads to electron tunneling. This is where the electronic signal can leave its confinement, even though the electron is still confined. Electron tunneling is an excellent way to pass charge carriers through quantum materials, while keeping the overall electronic nature of the material confined to given dimensions.
This is the bond that makes up many quantum materials today. For example, 2D materials are confined in one direction, so they have electronic movement in 2-dimensions, hence the name. The same applies to 1D quantum wires (nanowires) and 0D quantum dots, where electrons are confined in 2 and 1 dimensions, respectively.
The confinement of electrons in a material can also give rise to several other principles that are widely used in quantum technologies, such as the uncertainty principle, quantum superposition, entanglement and distortion.
Several news sites, such as Times Now, have called the image the result of a new "quantum technology" fitted to a Chinese satellite. However, "Satellite" and "Quantum Technology" in this context are nothing more than fake words used to make the image go viral.
A Twitter user also mistook the picture and tweeted that it was shot by a satellite. However, he soon corrected his mistake and updated the tweet after doing some research.
The image is from Shanghai City and was captured by Jingkun Technology, a world-class innovative enterprise that focuses on creative photography and cloud data processing. A 360-degree panoramic resolution of Shanghai was captured by the company from the Oriental Pearl Tower in China when the Shanghai News Office invited it to photograph the city in 2015.
According to the official website of the company, the total accuracy of the image is 195 billion pixels! The viral photo depicting the beauty of Shanghai is the largest in Asia and the third largest in the world.
The project attracted a lot of attention worldwide and received 8.2 million visits in 1 year. The image is now used as a new "City Card" for the world.
A large pixel panorama image is a collection of images stitched together, and the company claims it is 2000 times more accurate than a photo taken with a conventional camera. No satellites were used to capture this image. Instead, it is a product of high-resolution cameras and image stitching technology.
It is very possible that the technology used in the image could fall into the wrong hands and be used for surveillance purposes. Imagine that you are sitting comfortably in your office and are oblivious to the fact that an advanced camera is capturing you from hundreds of kilometers away.
China has already received criticism from many privacy-minded people for developing advanced technology to monitor citizens. Recently, roadside surveillance cameras in Shenzhen were equipped with facial recognition technology, and the faces of pedestrians violating pedestrian traffic rules were flashed on large screens.
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