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Physics

Computing

Cnuteneering, Part Twelve

1st April 2021 El Cnutador 2921 Comments

Welcome back to Cnuteneering, where the possible is made more difficult by bone headed ignorance, overenthusiasm and pointy metal things being brought together. You may want to refresh your memory on the project in: Part [more…]

Computing

Cnuteneering, Part Eleven

22nd March 2021 El Cnutador 2673 Comments

This one goes up to eleven! Welcome back to Cnuteneering, where the possible is made more difficult by bone headed ignorance, overenthusiasm and pointy metal things being brought together. You may want to refresh your [more…]

Martianonlooker, Going Postal
19th Century

John Scott Russell

3rd March 2021 Going Postal 2113 Comments

Imagine, if you will, that you have decided to go for a horse ride along a canal towpath. You see a canal barge making its way along the canal and in front of the barge [more…]

Engineering

Cnuteneering, Part Three

16th November 2020 El Cnutador 3405 Comments

Welcome back to Cnuteneering, where the possible is made more difficult by bone headed ignorance, overenthusiasm and pointy metal things being brought together. You may want to refresh your memory on the project in: Part [more…]

19th Century

Holography, Part Four

9th September 2020 Doc Mike Finnley 5304 Comments

Holograph Examples The PFG-01 holographic film that I’ve used in the examples below is ideally suited to making transmission holograms but it can also be used to make reflection holograms. Reflection Holograms One of the [more…]

Computing

Nothing is Beyond Our Reach

3rd September 2020 Always Worth Saying 3957 Comments

During a presidential debate, a little old lady, her grey hair in a bun, asks, “Name the three most important Space Race countries”. Sleepy-creepy Jo Biden, from his basement and with the benefit of voice [more…]

19th Century

Holography, Part Three

2nd September 2020 Doc Mike Finnley 2994 Comments

A Simple Dual Beam Setup We’ve got our film, developer and a safety lamp. Now we need a holographic camera. Well, not exactly a camera. You can’t take a picture of rolling hills or a [more…]

Doc Mike Finnley, Going Postal
19th Century

Holography, Part Two

26th August 2020 Doc Mike Finnley 3647 Comments

A Holographic Camera Standard photography uses a lens system to focus an image onto a film or an electronic sensor. If you recall from part one, Dennis Gabor had a problem with his electron microscope’s [more…]

Doc Mike Finnley, Going Postal
19th Century

Holography, Part One

19th August 2020 Doc Mike Finnley 3209 Comments

Introduction To the Looking-Glass world it was Alice that said, “I’ve a sceptre in hand, I’ve a crown on my head. Let the Looking-Glass creatures, whatever they be Come dine with the Red Queen, the [more…]

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