These are organized by a classification scheme developed exclusively for Cosma. More…
microscope : an instrument for making enlarged images of minute objects — Webster
Microscope is an instrument used to see objects that are too small to be seen by the naked eye. There are many types of microscopes, and they may be grouped in different ways. One way is to describe the way the instruments interact with a sample to create images, either by sending a beam of light or electrons to a sample in its optical path, or by scanning across, and a short distance from, the surface of a sample using a probe. The most common microscope (and the first to be invented) is the optical microscope, which uses light to pass through a sample to produce an image. Other major types of microscopes are the fluorescence microscope, the electron microscope (both, the transmission electron microscope and the scanning electron microscope) and the various types of scanning probe microscopes. — Wikipedia
Microscopy is the technical field of using microscopes to view objects and areas of objects that cannot be seen with the naked eye (objects that are not within the resolution range of the normal eye). There are three well-known branches of microscopy: optical, electron, and scanning probe microscopy.
Optical microscopy and electron microscopy involve the diffraction, reflection, or refraction of electromagnetic radiation/electron beams interacting with the specimen, and the collection of the scattered radiation or another signal in order to create an image. This process may be carried out by wide-field irradiation of the sample (for example standard light microscopy and transmission electron microscopy) or by scanning a fine beam over the sample (for example confocal laser scanning microscopy and scanning electron microscopy). Scanning probe microscopy involves the interaction of a scanning probe with the surface of the object of interest. The development of microscopy revolutionized biology, gave rise to the field of histology and so remains an essential technique in the life and physical sciences. — Wikipedia
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Mystery of how black widow spiders create...
on October 22, 2018 at 7:00 pm
Researchers at Northwestern University and San Diego State University (SDSU) have better unraveled the complex process of how black widow spiders transform proteins into steel-strength fibers. This knowledge promises to aid scientists in creating equally strong synthetic materials. […]
Structure of spherical viruses aren't as perfect...
on October 22, 2018 at 7:00 pm
Determining the structure of a virus is an important step in understanding and treating viral disease. For decades, structural biologists have been using cryo-electron microscopy to create increasingly accurate pictures of biomolecules, but one of the assumptions they've been relying on could be wrong. […]
Nanosized ferroelectrics become a reality
on October 22, 2018 at 3:00 pm
Using ferroelectricity instead of magnetism in computer memory saves energy. If ferroelectric bits were nanosized, this would also save space. But conventional wisdom dictates that ferroelectric properties disappear when the bits are made smaller. Reports that hafnium oxide can be used to make a nanoscale ferroelectric have not yet convinced the field, however University of Groningen (UG) physicists have now gathered evidence that could persuade the skeptics, published in Nature Materials on 22 […]
New technique reveals limb control in flies—and...
on October 22, 2018 at 1:00 pm
A new neural recording technique developed by EPFL bioengineers enables for the first time the comprehensive measurement of neural circuits that control limb movement. Tested on the fruit fly, results from the technique may inspire the development of more sophisticated robotic control approaches. […]
Breakthrough Prize awards scientists $22 million...
on October 19, 2018 at 1:50 pm
Lights. Camera. Science. […]