Friday, 15 August 2025

Pier Trains

There are three piers in Britain that are known to have working railed trains running on them. The most famous one is Southend on sea. The pier itself is extremely long 2.15 km (1.34 miles) and the train will take you most of the way across the pier. They claim to be the longest pleasure pier in the world. From my experience, the starting platform at the beginning of the pier has the look and feel of an old subsurface metropolitan subway station. 

The Ryde Pier on the Isle of wight has a more practical pier train. It is used to bring people to the catamaran ferry that goes back to the mainland and the bring people from the ferry back to the coast. 

~image generated by artificial intelligence (chatGPT) 

Hyther pier in Hampshire is the oldest working pier train line in the world. 

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Alan's public Diary https://alspresso.blogspot.com/



Thursday, 14 August 2025

Skin

It is commonly believed that humans shed about 0.5 grams of dead skin every day. There are 365 days in a year so that means we shed 182.5 grams every year. Nearly 2 kilograms. It is possible for someone to shed their own weight in dead skin over a period of 35 years depending on how heavy they are. 
~image generated by artificial intelligence (chatGPT)

182.5 ÷ 12 is about 15.2 grams every month.  Detatched dead skin usually exists as grey dust.

Dust isn't nice but don't let it get get under your skin. 

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Alan's Public Diary https://alspresso.blogspot.com/




Sunday, 3 August 2025

Strange Metal

Bismouth is one of the most strange metals in the world. It is the metal with the most heat resistance and behaves a lot like lead. They are both side by side on the periodic table. 

When Bismouth is exposed to a magnetic field, it makes a copy of the field with the same  polarity causing it to push against it like two two north poles. The formal term for this effect is diamagnetism; it causes magnets to be repelled away. Bismouth is the most diamagnetic chemical element that we know of. It is possible to make Bismouth levitate above a magnetic field. 

Image generated by artificial intelligence (chatGPT)

Bimouth has countless other strange properties like it expands when it solidifies making it less dense. Solid Bismouth would float in liquid bismouth just like ice floats in water. 

Most alloys of Bismouth have a very low melting point. 

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Alan's public Diary : https://alspresso.blogspot.com/