Tech news tagged ‘Wonderland’

An Engineer in Wonderland – Motor treasure

I have been having great fun messing about with motors. A friend of mine has a new lathe. Actually, it is an old lathe, a Mark 1 Master from Colchester.  It weighs half a tonne (or half a ton as it is of such vintage?) and replaces an even more…

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An Engineer in Wonderland – Supercap guy replies

From Pierre Mars of CAP-XX

Just responding to your comment in the blog An Engineer in Wonderland – Energy harvesting and supercapacitors.

You are quite right, the final circuit would need 2 x MAX9015, you can’t use both op amps in the dual version MAX9107.

Since then I have…

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An Engineer in Wonderland – Tin opener obsession?

Always nice to see a thoughtful piece of design, wherever you find it. I came across another neat tin-opener this weekend – the first was the classic P-38. This one seems to be designed with safety in mind as it cuts through the thick part of the rim and…

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An Engineer in Wonderland – A worthy wall chart

In the same way that Harry Beck’s 1931 Tube map simplified navigating the London Underground, the Lawrence Livermore National Laboratory has just released a rather interesting chart that summarises US energy consumption…

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An Engineer in Wonderland – Mechanical entangle

I don’t understand quantum entanglement – Einstein’s ‘spooky action at a distance’ – but I am amazed by it and for no particular reason am pleased that it seems to exist. I though it was restricted to photon and sub-atomic stuff, but it appears that a mechanical version is…

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An Engineer in Wonderland – LEDs and lenses – a reality check

Electronics Weekly sometimes requests device samples. It is not that the team doesn’t believe the specifications we are sent every day, it is just that it can be tricky to put 77dBA or 33 lm into perspective. The latest items to arrive in the post are a Cree MC…

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