This is probably just one of those ideas, having learned about it, and I just want to say something like “well, why didn't I think of it myself? It's so easy! ”

We are talking about the technology of Virtual Cable, whose name, coupled with the picture above, fully reveals the essence of the idea that appeared in the minds of the employees of the Making Virtual Solid company.
The system developed by the company consists of a laser, a set of lenses and a movable mirror embedded in a torpedo. Synchronizing with the on-board GPS system, the device projects an image in the form of a red thread (well, or a cable, as the inventors say themselves) onto the windshield, which indicates the route. By the way, there are
several short videos on the company's website that allow you to understand how Virtual Cable works.
If you believe the inventors, the cost of all the necessary equipment for factory integration of the system will not exceed $ 400.
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via
Engadget