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Electron Microscopes

Researchers at the University of Sheffield have created what sounds impossible - even nonsensical: an experimental electron microscope without lenses that not only works, but is orders of magnitude more powerful than current models. By means of a new form of mathematical analysis, scientists can take the meaningless patterns of dots and circles created by the lens-less microscope and create images that are of high resolution and contrast and, potentially, up to 100 times greater magnification. Read More
Instead of light, traditional high-resolution electron microscopes use a particle beam of electrons to illuminate a specimen. However, the particle beam also destroys the samples, meaning that electron microscopes can’t be used to image living cells. Electrical engineers at Massachusetts Institute of Technology (MIT) have proposed a new scheme that can overcome this critical limitation by using a quantum mechanical measurement technique that allows electrons to sense objects remotely without ever hitting the imaged objects, thus avoiding damage. Read More
Like the wizard from the King Arthur legend, the new MERLIN electron microscope has a few tricks up its sleeve. The new Field Emission Scanning Electron Microscope, more conveniently described as a FESEM, from Carl Zeiss SMT AG is designed to overcome the standard trade-offs between image resolution and the analytical capability. Read More
Microscopes have been an integral tool for scientists for hundreds of years, opening up the world that surrounds us and providing countless scientific breakthroughs. Now the most advanced and powerful electron microscope on the planet—capable of unprecedented resolution—has been installed in the new Canadian Centre for Electron Microscopy at McMaster University in Ontario. Read More
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