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Written by Ian Poole .
Experienced electronics engineer and author.

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17 May 2026

Fact of the day: It was on 17th May 1865 that the International Telegraph Union (later International Telecommunication Union) or ITU was established.

Quote: Nothing disturbs me more than the glorification of stupidity. Carl Sagan (American astronomer, planetary scientist, & science communicator)

Point to ponder: Nothing ever gets built on schedule or within budget.

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Resistance of a Filament Lamp

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▶︎ Dayton Hamvention
▶︎ RetroTechUK
▶︎ SubCon
▶︎ IMS, International Microwave Symposium
▶︎ PCIM Europe
▶︎ Hardware Pioneers Max

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Featured articles

▶︎ Morse Key Development & History
▶︎ Resistor Types
▶︎ Flash Memory Cards - selecting the right type
▶︎ Wireless charging power banks - buying guide
▶︎ Smart speakers: what they are, how they work

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