Category Archives: Uncategorized

O2

There is an excellent Forbes of India article on how oxygen is made for use by patients in hospital. There are three different ways: Vacuum Insulated Evaporator: Storage system of liquid oxygen 2. Oxygen Cylinders: hold oxygen under pressure 3. … Continue reading

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The Air we Breathe

In 2019 I collapsed and was taken to hospital. The paramedics put me on oxygen and took me to hospital. When I breathed that oxygen I thought it was like being in our Glen, standing next to the burn flowing … Continue reading

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Quartz and Solar Panels

‘Clean Energy’, ‘Renewables’, ‘Alternative Energy’……….We can save the Planet! Well, can we do so without savaging the Planet and harming our health? Before we even attempt to create technologies to provide such solutions, we need to lay out the evidence … Continue reading

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Disposing of Medical PPEs Safely, or NOT

Plastic Protective Equipment (PPE) has been manufactured during this Covid pandemic to meet demand at a rate of multiple millions of items needed every day, and will no doubt increase over the next few years. This seemed to be the … Continue reading

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Rare Earth Elements and Balance of Power

I write these blogs for me. I ask questions and search for answers in books and, mostly, exploring the Internet. Without Rare Earth Elements I would not be doing this. When I was born just after World War II, if … Continue reading

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Smelting non-ferrous metals: soil and air pollution

Non-ferrous metals are pure metals, mostly without traces of iron. They are more costly than ferrous metals. They are light in weight, not magnetic, possess high conductivity. The important ones today are aluminium, copper, lead, nickel, tin, titanium, zinc. Mined … Continue reading

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Renewable Technology: Scars of Battle

Some of the metals that are forecast to be in the highest demand in the future for electronics and technology are tin, lithium, cobalt, silver, nickel, gold, tungsten, vanadium, graphite, niobium, zinc, PGM (platinum group of metals) and salt (for … Continue reading

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Generic Drug Supply and Raw Materials Supply

In March 2021, Boris Johnson, Prime Minister, announced the UK was acquiring 10m doses from the Serum Institute of India, the world’s largest vaccine manufacturer and the key source of doses for Covax, a vaccine-sharing agreement on which poor and middle-income countries are relying. … Continue reading

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Concrete. Industrial Contamination

You cannot build a wind turbine without using concrete. Indeed, for each turbine, requires 900 tons of steel, 2500 tons of concrete and 45 tons of plastic. The above image is in a design manual. Concrete seems to have been … Continue reading

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Chromium. Industrial Contamination

To make a wind turbine, which is 78% steel, the Earth must yield up coal for coking plants to provide coke for furnaces to burn red hot to smelt iron ore. When the Earth yielded up iron ore, sulphuric acid … Continue reading

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