Author Archive

Seismic Waves and Determining Earth’s Structure

Written by Narrissa Spies

Even though the technology does not exist to travel into all of Earth’s layers, scientists can still learn a great deal about Earth’s structure through seismic waves. Seismic waves are vibrations in the earth that transmit energy and occur during seismic activity such as earthquakes, volcanic eruptions, and even man-made explosions. There are two types of seismic waves, primary waves and secondary waves.

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Precisely approximate

Written by OP ED Watch

One of the flags of pseudoscience, and not only on climate, is a spurious degree of precision in output claims and a lack of curiosity about input data.

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The Cold Chill of the Heat Pump Reality

Written by Sallust

Those installing heat pumps now are in for a nasty shock 15–20 years down the line when their costly, noisy, power-hungry government-subsidised outdoor heat exchangers come to the end of their lives and need replacing. There are unlikely to be any grants or subsidies around then

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