A simple, fairly accurate, and easily-made apparatus of the micrometer form may be constructed as follows: Get a common iron or brass bolt about y of an inch in diameter and about 2% inches long ...

Place a stage micrometer on the microscope stage, and using the lowest magnification (4X), focus on the grid of the stage micrometer. Rotate the ocular micrometer by turning the appropriate eyepiece.

A team of researchers from NIMS and the University of Connecticut has developed a printing technique capable of forming a ...

Laser micrometers are capable of measuring outside diameter for mechanical engineering and machining purposes. Within the micrometer is a transmitting unit responsible for emitting a laser beam that ...

A couple of years ago we published a look at precision measurement tools, in particular vernier calipers and micrometer screw gauges. It featured a look at how they work and how they’re used ...

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Let's take a look at how to observe cells under a microscope. No prizes for guessing the first thing you'll need: a microscope. But don't worry if you don't have one of your own. Ask your school ...

Late 1600s – Dutch scientist Antonie van Leeuwenhoek constructed a microscope with a single spherical lens. It magnified up to ×275. 1800s - the optical quality of lenses increased and the ...

Because the egg cell is only 100 micrometers, or one-tenth of a millimeter, wide, we monitor this fine surgical extraction with a microscope (see previous image). We use a suction pipette (B ...

Commissions do not affect our editors' opinions or evaluations. Choosing from a plethora of print-on-demand companies can be overwhelming, especially when you’re looking to find the ideal fit ...

One of the great things about the Gearing Up challenge of the 2023 Hackaday Prize is that it lets you discover tools that you don’t encounter every day. We had never given much thought to spin ...