hammill said:
drummerman said:
chebby said:
When David was defending the 'directional' properties of some boutique audio cables (in another thread earlier this year) he thought that alternating current was an attempt to 'blind' him with science, so don't expect him to be persuaded by scientific or technical facts. That just leads to arguments like "scientists don't know everything".
Do they?
You can scientifically explain what makes a colour/scent/taste etc but can you scientifically explain why some like them and others don't?
regards
I think you have missed the point. Nobody with any sense (and no scientist) would claim that scientists know everything. The problem is that the "scientists don't know everything" argument is usually deployed when something that scientists do know contradicts with someones groundless opinion (like a particular HDMI cable gives deeper blacks or the world was created 4000 years ago).
Yep.
Some people lose sight of the fact that the technology we take for granted was all developed from scientific advances like quantum mechanics (transistors, lasers, diodes, LEDs, microchips) and assume that because "scientists don't know everything" they themselves are qualified to fill in the gaps.
In fact most scientific breakthroughs lead to even more (and bigger) gaps in knowledge. More questions to answer that couldn't even have been asked beforehand. That's how it is.
Even great scientists get it wrong. Sometimes they are right for a while, sometimes they are right for a very long time (you can still get a satellite in orbit around Mars with Newtonian calculations even though Einstein's theories supplanted the Newtonian 'model' over a century ago as a better 'fit').
Sometimes they got it right but decided they were wrong. Einstein calculated that not only should the Universe expand, but the rate of expansion of the Universe should accelerate. He dismissed his own calculations. (It seemed potty even to Einstein at the time.) He preferred a 'static' Universe but his calculations have since been found to be correct after all.
However, none of these people overturned accepted models with mysticism or guesswork or by seeking explanations from tea-leaves or just 'gut instinct' about what seems right to them. Countless experiments were done, and are still being done, to find better ways, better models, to explain the world and to keep testing existing theories to ensure they work with all new data collected. If they don't work no-one calls for a soothsayer or appeals to 'common sense' (that breaks down very quickly in science as in most areas of rigorous study). Neither do they take a vote or hold an opinion poll.
We get too used to scientific explanations only having the the status of an 'opinion' in things like interviews and chat shows, where any unqualified opinion has to be given equal air-time (no matter how 'woo woo') for various PC reasons. So if you think the Earth is really a giant radish and that gravity is a force made by vegetables then get yourself on TV and argue it against Brian Cox. They are so scared of being seen to be partisan that you'll get equal interview time (and probably a twitter following within seconds).