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Microscopes


— Science

How do you make a 1-cent microscope lens? Just bake a batch in the oven

Microscope lenses are typically made either by grinding and polishing glass discs, or pouring polymers into molds – both techniques can be quite involved, which is reflected in the price of the finished product. Now, however, a scientist from Australian National University has devised a new lens-making process, in which drops of silicone are simply baked in an oven. The resulting lenses can be used for a variety of applications, yet are worth less than one cent each. Read More
— Science

Folding paper microscope could reduce deaths from malaria

According to the World Health Organization, there were approximately 207 million cases of malaria worldwide in 2012, 627,000 of which proved fatal. Unfortunately, the disease most often occurs in developing nations, where diagnostic equipment may not be available. This means that doctors can't determine the particular strain of malaria from which a patient is suffering, and thus don't know which medication will work best. Manu Prakash, an assistant professor of bioengineering at the Stanford School of Medicine, hopes to change that ... using his disposable folding paper microscope. Read More
— Science

What shall we do with a neutron microscope?

Neutrons have a set of unique properties that make them better suited than light, electrons, or x-rays for looking at the physics and chemistry going on inside an object. Scientists working out of MIT's Nuclear Reactor Laboratory have now invented and built a high-resolution neutron microscope, a feat that required developing new approaches to neutron optics. Read More
— Science

Grad students build nanometer-resolution atomic force microscope using Lego and 3D printing

Scanning atomic force microscopes, first introduced into commerce in 1989, are a powerful tool for nanoscale science and engineering. Capable of seeing individual atoms, commercial AFM prices range between US$10K and $1M, depending on the unit's features and capabilities. During the recent LEGO2NANO summer school held at Tsinghua University in Beijing, a group of Chinese and English students succeeded in making a Lego-based AFM in five days at a cost less than $500. Read More
— Mobile Technology

ProScope Micro Mobile lets your iPhone get mega-close-ups

Optics manufacturer Bodelin is no stranger to hand-held microscopes, having previously brought us a series that can be connected to the USB port of a laptop. Given that smartphones are in many ways replacing laptops, however, it shouldn’t come as a surprise that the Oregon-based company has now introduced its ProScope Micro Mobile – it’s a lab-quality microscope that mounts on the user’s iPhone. Read More
— Science

New microscopy technique lets scientists see live viruses in their natural habitat

Traditionally, in order to view tiny biological structures such as viruses, they must first be removed from their natural habitats and frozen. While this certainly keeps them still for the microscope, it greatly limits what we can learn about them – it’s comparable to an ichthyologist only being able to study dead fish in a lab, instead of observing live ones in the ocean. Now, however, researchers at the Virginia Tech Carilion Research Institute have devised a technique for observing live viruses in a liquid environment. It could have huge implications for the development of treatments for viral infections. Read More
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