QRA International website

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Medicine in Science and Sports Science USA

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Branca Aire Precision Air Conditioning

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Sunday, September 14, 2025

Can I get 300,000 views by October ?

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                                                            Dear Readers.                                                                   ...

What a typical PCB experiences day in day out as far as temperature changes go.

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  Imagine this  modern day PCB motherboard, this is a multi-layer one which has numerous materials layered over each other, for example : 1....
Saturday, September 13, 2025

What do I think of when I run ? A Repost from Nov 2022

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This is an very interesting question which I do ask myself from time to time. Do I go into a 'robot mode' and just switch off everyt...

Multilateralism

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9 months into the Trump presidency, and the world is still reeling from the come and go up and down tariff rates emnating from the White Hou...
Thursday, September 11, 2025

ASTM F 1980 - 16 video ; your questions answered right here

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  Here is a short video of how the ASTM F 1980 - 16 functions, the key takeaways, the effectiveness and how clients in biomedical industries...
Tuesday, September 9, 2025

Temperature Pressure and Humidity Changes for Aircraft Components

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Parts manufacturers around the world, if they are serious about their quality and reliability testing. They MUST do Transport Simulation tes...
Monday, September 8, 2025

Key Parameters to Control for Environmental Testing of Products for Quality and Reliabillity

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There are 4 Key Parameters which manufacturers must bear in mind when designing a robust product - this is based on decades of experience wo...