Caltech engineers have developed a cheap X-ray technology that will allow it to see through solid materials. The engineers, Ali Hajimiri and Kaushik Sengupta, have tweaked silicon microchips to emit terahertz waves. These high power waves can go through solid materials and send back an image of what is inside.
The wave used by the engineers is also quite a bit safer than ionizing X-rays, and has actually been used for a while now. Current systems, however, are bulky and costly. This new chip uses a microchip like you would already find in your phone, making it cheap and compact and able to be put into a mobile device.
"We are not just talking about a potential," Hajimiri said. "We have actually demonstrated that this works. The first time we saw the actual images, it took our breath away."
Think about the potential. You twist your ankle and think it's broken. Now you can do a quick check to see if it is. If you're not sure, you could send the image off to your doctor who could respond via text whether you need to come in or not. This, along with many other uses, make this an awesome advancement of technology.
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