Millions of endoscopy surgeries are performed each year in the US, with even more performed internationally. Endoscopy has advanced rapidly in the last twenty years. However, little progress has been made towards the development of a 3D endoscope system, even decades after they have been proposed in scientific literature.
A full-time four-wheel-drive system for a motor vehicle is big, heavy, expensive, and inefficient. It requires a clutch, transmission, three differentials, two drive shafts, and four axles. The transmission contains dozens of moving parts, and each differential includes another half dozen. To get to the wheels,
To create a book paper with reflection emission corresponding to the eyes optimal adoption wavelengths and thus increase the contrast in between the printed material and the substrate. This means that people, especial elderly, will have increased reading possibility at advanced ages.
As we know, when we start the engine, power from the engine is transmitted through a fly wheel clutch, drive shaft, gear box, final drive, rear axle and finally reaches the rear wheels to drive our vehicle. We need different speeds for different applications,
With 17.3 million deaths in 2008, cardiovascular diseases (CVD) are the leading causes of death and disability in the world, increasing tendency (source: WHO). This leads to the necessity of simple and cheap monitoring systems to spot cardiac pathologies and diseases already at an early stage.
Since several decades,
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