Advertisement The laser spot doubles the range of the high-beam light. In each headlight, there is a module with four powerful laser diodes that are just 300 micrometres in diameter. They generate a blue laser beam with a wavelength of …
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Advertisement In 2005, Audi set off the next stage in the evolution of its classic Quattro drive system in the second-generation RS 4. The new self-locking center differential, which is used in many models today, remained true to the principle …