"Just because I'm not perfect doesn't mean I'm shit, it just means I'm a human being, and I like being human". :D It made us both laugh, so I thought I'd share it in case it resonates with others too :)
I'll be tuning in, if I'm awake, which I often am at 6..30am!
Quantum theory is strange, but very real. Through countless experiments we’ve found that quantum objects have both particle-like and wave-like properties. In some experiments the particle nature dominates, while in others the wave nature dominates. Some experiments can even show the effects of both properties. This duality between particles and waves in quantum theory is deeply counterintuitive, which means often the results of quantum experiments are interpreted incorrectly.
Take, for example, recent claims that reality doesn’t exist until we measure it. The claims arise from a recent experiment published in Nature that uses a single atom to perform what is known as the delayed-choice experiment. This experiment was first proposed as a thought experiment (gedanken experiment) by John Wheeler as a way of exploring the counterintuitive aspects of particle-wave duality.
Wheeler’s idea was to imagine a “cosmic interferometer.” Suppose light from a distant distant quasar were to be gravitationally lensed by closer galaxy. As a result, light from a single quasar would appear as coming from two slightly different locations. Wheeler then noted that this light could be observed in two different ways. The first would be to have a detector aimed at each lensed image, thus making a particle measurement. The second would be to combine light from these two images in an interferometer, thus making a wave measurement. According to quantum theory, the results of these two types of experiments (particle or wave) would be exactly as we’ve observed in their standard form. But the light began its journey billions of years ago, long before we decided on which experiment to perform. Through this “delayed choice” it would seem as if the quasar light “knew” whether it would be seen as a particle or wave billions of years before the experiment was devised.
Although the quasar experiment Wheeler proposed isn’t practical, modern experimental equipment allows us to perform a similar experiment in the lab, where the decision to measure a particle or wave is done at random after the quantum system is “committed.” For example, in 2007 a delayed-choice experiment was made using laser light to create a delayed-choice double slit experiment. In this new paper, the team used an ultracold helium atom to do a similar delayed-choice interference experiment. With both experiments the results were exactly as predicted by quantum theory. So both matter and light exhibit this strange quantum effect.
While this is great work, the result isn’t unexpected. Quantum theory made a very clear prediction about this kind of experiment, and its prediction has been confirmed. Where things get fuzzy is in the interpretation. One popular way to interpret quantum theory is to presume quanta have a potential wavefunction, which then collapses into a definite state when observed. In this view the act of measurement gives reality to the quantum. In the delayed-choice experiment that would mean the quantum doesn’t become “real” until you measure it, which could be billions of years after its origin in the case of quasar light. But this is an overly simplistic take on things. Quantum objects are real, but simply have indefinite properties. These properties are defined by the experiments we do. What the delayed choice experiments really show is that quanta don’t exist as particles or waves, but are truly unique objects which can exhibit particle and wave properties in certain experiments.
While that might seem strange, it isn’t magical or mystical. The Moon wouldn’t vanish from existence if everyone closed their eyes, and reality isn’t dependent upon us observing it.
Paper: A. G. Manning, et al. Wheeler’s delayed-choice gedanken experiment with a single atom. Nature Physics, DOI: 10.1038/nphys3343 (2015)
Paper: Jacques, V. et al. Experimental realization of Wheeler’s delayed-choice gedanken experiment. Science 315, 966–968 (2007).
This morning one of the admins of a group I'm in was a bit too "telly offy" for something a member had written which was clearly not meant any harm. They basically said "I had plenty of sunshine, if you can't get sunshine, then overdose on vitamin D!" The admin told them off for suggesting people overdose on Vitamin D. I pointed out that it was a turn of phrase, not meant literally. There were a few replies backwards and forwards and then she said if I didn't like it I'd go elsewhere. So I said I felt bullied by her which was unfair, and that I was upset by her comments. She then told me I was over-reacting, so I pointed out that blaming another person for being upset in response to your own behaviour and communication was horrible.
She then banned me from the group- apparently so that I couldn't do this to anyone else!
The "do this" as far as I can see is stand up for someone else being unreasonably "told off" and for telling an admin I found their communication upsetting.
I deliberately pushed this issue with her because I don't think it's appropriate for admins of groups to bully and intimidate people for trying to be helpful, or for providing feedback which can help the health of the group.
If you run a group, please don't do this to members. Not everyone will agree with everything you say or do as an admin, that doesn't mean they aren't valuable members of the group. As I was in this situation- I contributed positively to that community daily, and today when I dared to give feedback to an admin I was blocked from a community which was a valuable resource to me, and I to it.
Members of the group have been in touch with me and have asked the admin to reconsider, which they wouldn't. I do hope though that this will highlight to others how inappropriately the admin responded in this situation.
If you don't know how to handle conflict, or people disagreeing with you without kicking them out of the group, then you probably don't have the skills required to be a good admin.
Of course, one has to bear in mind giving feedback is not the same as someone being abusive. But saying that they're upset and asking an admin to consider the way they communicate with members of the group may have an impact on members isn't being unreasonable!
After I wrote this, it reminded me of a blog post I wrote about this type of behaviour, it still stands:
#Community #marketing #moderation
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