Technology & Equipment
PIN Switches: Reflective vs Absorptive
A solid-state PIN switch is a diode-based device that routes or blocks an RF path by changing the impedance of one or more PIN diodes between a low-loss…
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News & Guides
A living stream for production questions, source discoveries and the small decisions that change a printed object.
Technology & Equipment
Boom or Drogue: How Aerial Refueling Works
Aerial refueling transfers fuel from a tanker aircraft to a receiver in flight through one of two physical systems: the flying boom, a rigid telescoping…
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Technology & Equipment
Hydrogen Systems: Electrolysers, Fuel Cells, Pipelines
Hydrogen systems only make sense when three things are examined together: how the gas is produced, what converts it back into useful work, and how it…
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Printing & Design
Hot Iron Work: Forge, Anvil and Heat Treatment
Hot iron work is the set of operations a smith performs on steel while it is above its recrystallisation temperature: drawing out, upsetting, bending,…
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Printing & Design
Thickened Tailings: What the Term Names and What It Does Not
Thickened tailings is a term of art, not a synonym for any dewatered mine waste.
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Printing & Design
Reading US Pipeline Incident Data
US pipeline incident data is compiled from mandatory operator reports and published by system: gas transmission, gas distribution, hazardous liquids, and LNG.
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Business & Marketing
First Steps for a Small Business in Wales
A business idea is tested before it is registered, not after.
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Business & Marketing
Growing a Canadian SME: Market, Margins, Succession
Growth for a Canadian SME rarely fails for lack of ambition.
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