An image captured with 24.9 billion pixels Quantum Technology from a Chinese satellite is making rounds on several social media platforms and news websites. The viral image is a zoomable 360-degree bird's-eye view where you can see the faces of people casually strolling on 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 buildings and surroundings appear in the image.
Quantum technology is realized through various nanomaterials that exhibit quantum effects. One of the main tenets of nanotechnology is that when materials are within the quantum regime (i.e. less than 100 nm thick), they exhibit 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 that these materials rely on is electron bonding, which in turn leads to electron tunneling. This is where the electronic signal can leave its confined space, even though the electron is still confined. Electron tunneling is an excellent way to pass charge carriers through quantum materials while confining the overall electronic nature of the material to given parameters.
It is these bonds that make up many quantum materials today. 2D materials, for example, 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 binding of electrons in materials can also give rise to several other principles that are widely used in quantum technology, such as the uncertainty principle, quantum superposition, entanglement, and distortion.
Some news sites, such as Times Now, have said that the image is the result of new "quantum technology" fitted to a Chinese satellite. However, in this context "satellite" and "quantum technology" are nothing more than fake words used to make the image go viral.
A Twitter user also misinterpreted the image and tweeted that it was shot by a satellite. However, he soon corrected his mistake and updated the tweet after some research.
The image is from the city of Shanghai and was taken 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 taken by the company from China's Oriental Pearl Tower when the Shanghai News Office invited it to photograph the city in 2015.
According to the company's official website, the total accuracy of the image is 195 billion pixels! The picture showing the beauty of Shanghai which is going viral 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 satellite was 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 a sophisticated camera is recording you from hundreds of kilometers away.
China has already received criticism from many privacy-focused 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 traffic rules were flashed on large screens.
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