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.

Six years on from the first iMicro smartphone microscope, the team has unveiled its latest: the iMicro Q3p, a fingertip-sized, lightweight device that makes microscopy inexpensive, portable and ...

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 ...

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 ...

This portable handheld Pocket LCD Microscope has a 4-inch screen and is on sale for just $69.97 (reg. $100) through 21.

A new microscope is capable of live imaging of biological processes in such detail that moving protein complexes are visible.

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 ...