Some people argue that all exposure to radiation must be avoided, this is not sensible because…
Author: Bernard Rand
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Nuclear Refutation Question #1
Rutherford compared firing alpha particles at a thin sheet of metal foil to firing large shells at tissue paper but their behaviour was different…
Many people believe science can prove something as being correct but…
The phrases ‘scientific proof’ and ‘scientific fact’ are commonly used in the media and in conversation but they are misleading because…
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Electricity Refutation Question #3
Students sometimes assume that adding more resistors to a circuit will always increase its resistance. This is not always true because…
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Mechanics Refutation Question #3
Some people think that it would be safer to hit a 1000 tonne concrete block at 30mph in a tank than in a modern car but actually…
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Electricity Refutation Question #4
Students at GCSE often assume that current gets used up as it flows through a lamp but actually…
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Mechanics Refutation Question #16
Students typically assume friction always acts in the opposite direction to motion. However…
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Mechanics Refutation Question #2
A typical GCSE level understanding of balanced forces allows a person to sit on a chair made of jelly. This is false because…
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Mechanics Refutation Question #14
Work = Force x distance so since the Sun is exerting a force on the Earth and the Earth is moving it could be argued that the Sun must be doing work on the Earth. This is incorrect because…