After being criticized for environmental pollution, a crematorium in the small Swedish port city of Halmstad has found a novel solution to its problem. Instead of letting all the heat from the crematorium furnaces escape into the chimneys and then…
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Most welding processes use acronyms as their name. For example “SMAW” or “stick” welding stands for Shielded Metal Arc Welding. Each arc welding process has the same root principal: fuse two or more pieces of metal together using an electric…
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Thermal imaging is a valuable tool for firefighters, especially those fighting wild fires. It gives the crews a means of finding the places that need the most attention, and can mean the difference between containing the fire or having it…
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Submarines are a form of watercraft with the ability to operate autonomously below the water surface. Wikipedia states that the name submarine actually derives from an adjective with the meaning ‘under the sea’. There is a vast range of particular…
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Pseudoscience is a body of knowledge, methodology, or something else that claims to be scientific but does not adhere to the scientific method. It is often encountered when dealing with outlandish theories, such as alien influences in human cultural development,…
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How Nature Behaves: Making sense of patterns in the chaos. Nature, on the whole, can seem pretty random. Yet simple patterns are everywhere in nature. Amazingly, they arise from very complex systems. The patterns have been observed and analysed. Controlled…
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A charge-coupled device (CCD) is an image sensor, consisting of an integrated circuit containing an array of linked, or coupled, light-sensitive capacitors. This device is also known as a Color-Capture Device. The capacitor perspective is reflective of the history of…
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Jet engines, though capable of producing immense amounts of power, are actually based on very simple principles. The tens of thousands of horsepower and thousands of pounds of thrust that can be produced by the various types of jet engine…
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The Continuum Hypothesis and the Axiom of Choice are two propositions that come up in the study of the foundations of mathematics. Despite one being called an axiom and the other a hypothesis they are viewed in a similar way…
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“From the time of the ancient Greeks there have been debates about the ultimate nature of matter.” One such debate is whether matter is infinitely divisible or whether it consists of fundamental blocks which are themselves indivisible. According to the…
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