Johnson and Allen has been building DPI systems for decades and offers in-house design, to tailor make inspection lines to customer specification. A typical ...

Description: Detection of discontinuities such as cracks, laps, porosity, cold shuts, lack of bond, and similar defects. Because inspection can be performed in normal light, this method can be used ...

Non-destructive testing methods are used in industry to evaluate the integrity and properties of material or components without causing damage to the tested object. Aside from industrial radiography, ...

There are six common NDT methods: visual testing, liquid penetrant testing, magnetic particle testing, eddy current testing, radiographic testing, and ultrasonic testing. Each method requires a ...

Most at-home DNA testing kits use saliva and provide a collection kit. Once you send your collection kit back to the company, they will likely either send it to a third-party lab or their own lab ...

Fluorescent probes are molecules that absorb light of a specific wavelength and emit light of a different, typically longer, wavelength (a process known as fluorescence), and are used to study ...

Available in many lengths and several diameters, the tube is lined with a fluorescent phosphor. When the mercury is excited by electricity, it emits ultraviolet (UV) light, which causes the ...

October 26, 2024 • Counterfeit products, especially medicines and safety gear, can be dangerous. Here's how to spot them on e-commerce platforms like Amazon.

Whether you’re searching for a children’s toy robot to inspire curiosity or a more advanced robot-building kit for older kids or teens, like our best overall Sillbird STEM 12-in-1 Education ...

Fluorescence imaging is the visualization of fluorescent dyes or proteins as labels for molecular processes or structures. It enables a wide range of experimental observations including the ...

Testing is a critical part of the development of internal information systems as well as commercial software, and it is often not given the attention it deserves. Software vendors that provide ...

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