Which innovative design feature was first introduced in the commercial scanning electron microscope (SEM) by Cambridge Scientific Instrument Company in 1965?

The scanning electron microscope (SEM) revolutionized scientific research by allowing researchers to observe specimens at nanoscale resolution with unprecedented detail. This powerful instrument has transformed multiple scientific fields from materials science to biology. Test your knowledge about the product design evolution of this groundbreaking scientific tool that changed how we visualize the microscopic world.

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Digital imaging sensor for direct computer analysis
Secondary electron detector positioned at an angle to the specimen
Automated specimen rotation platform
Touch-screen interface for magnification control