Articles

John Watkinson considers scientific rigour. I have benefited most of my adult life from having some knowledge of science and a bit of mathematics that went with it. I couldn’t imagine any other kind of life yet I am constantly reminded that it is a minority activity. If I had to describe science in the…

John Watkinson considers what is Art… Sound as used for entertainment purposes necessarily has an artistic content, yet sound itself is transient and can only be recorded or manipulated with suitable technology. I think it follows that a good audio engineer must have some technical knowledge to support his creativity. That led me to thinking…

John Watkinson ponders Control Theory. One of the fundamentals of control theory is that when negative feedback is applied, the improvement in performance takes place at the point where the parameter being controlled is measured. For example, if a loudspeaker is equipped with motional feedback that uses an accelerometer on the diaphragm, the accelerometer will…

John Watkinson considers epidemiology. We are now far enough through the viral outbreak to be able to look back at some of what took place. Given that my advanced years put me at risk, for my own safety I now know more about epidemiology than I ever wanted to know, but even the little I…

John Watkinson ponders religions. One of the traps into which the unscientific often fall is wish thinking, which is thinking something is true because it would be nice. It would be nice if we had guardian angels. It would be nice if there were an afterlife and a heaven, but it doesn’t mean there is.…

John Watkinson contemplates inequality. Tragic recent events have led to riots and to the slogan that black lives matter. As Martin Luther King observed, riots are what happens when people feel they don’t have a voice.  Using simplistic logic, breaking social distancing rules in the middle of a pandemic is at least unwise. As Private…

John Watkinson considers Negative Feedback… Negative feedback is all around us and within us. We stay alive because feedback loops stabilise our body temperature and a host of other parameters. Feedback controls the temperature of our hot water. It’s adjusting the fuelling in a car and keeping an airliner at the right altitude. Despite the…

John Watkinson considers viruses Understandably, audio has taken a back seat in the last few weeks and I have been researching a different topic that I felt might be more relevant. The present outbreak of a virus is the latest in such outbreaks that have been going on for as long as there has been…