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We should be very careful in thinking about whether we’re working on the right problems. If we don’t, that ties into the problem that we don’t have experimental evidence that could move us forward. We're trying to develop theories that we use to find out which are good experiments to make, and these are the experiments that we build.   We build particle detectors and try to find dark matter; we build larger colliders in the hope of producing new particles; we shoot satellites into orbit and try to look back into the early universe, and we do that because we hope there’s something new to find there. We think there is because we have some idea from the theories that we’ve been working on that this would be something good to probe. If we are working with the wrong theories, we are making the wrong extrapolations, we have the wrong expectations, we make the wrong experiments, and then we don’t get any new data. We have no guidance to develop these theories. So, it’s a chicken and egg problem. We have to break the cycle. I don’t have a miracle cure to these problems. These are hard problems. It’s not clear what a good theory is to develop. I’m not any wiser than all the other 20,000 people in the field.

I’m still asking myself the same question that I asked myself ten years ago: "What is going on in my community?" I work in the foundations of physics, and I see a lot of strange things happening there. When I look at the papers that are being published, many of them seem to be produced simply because papers have to be produced. They don’t move us forward in any significant way. I get the impression that people are working on them not so much because it’s what they’re interested in but because they have to produce outcomes in a short amount of time. They sit on short-term positions and have short-term contracts, and papers must be produced.

The field that I mostly work in is the foundations of physics, which is, roughly speaking, composed of cosmology, the foundations of quantum mechanics, high-energy particle physics, and quantum gravity. It’s a peculiar field because there hasn’t been new data for almost four decades, since we established the Standard Model of particle physics. There has been, of course, the Higgs particle that was discovered at the LHC in 2012, and there have been some additions to the Standard Model, but there has not been a great new paradigm change, as Kuhn would have put it. We’re still using the same techniques, and we’re still working with the same theories as we did in the 1970s.

The site includes 25 videos lesson examples in each of four core subject areas – math, science, language arts, and social studies. These lessons were videotaped in classrooms across Florida.

Andragogy consists of learning strategies focused on adults. It is often interpreted as the process of engaging adult learners with the structure of learning experience. The term ‘andragogy’ has been used in different times and countries with various connotations

Knowles asserted that andragogy (Greek: "man-leading") should be distinguished from the more commonly used pedagogy (Greek: "child-leading"). Knowles' theory can be stated with six assumptions related to motivation of adult learning:[1][2] Adults need to know the reason for learning something (Need to Know) Experience (including error) provides the basis for learning activities (Foundation). Adults need to be responsible for their decisions on education; involvement in the planning and evaluation of their instruction (Self-concept). Adults are most interested in learning subjects having immediate relevance to their work and/or personal lives (Readiness). Adult learning is problem-centered rather than content-oriented (Orientation). Adults respond better to internal versus external motivators (Motivation). The term has been used by some to allow discussion of contrast between self-directed and 'taught' education

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patchwork collection of online courses that's difficult for students to navigate.

they can improve their online-education efforts to help students find streamlined, affordable pathways to a degree.