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www.nature.com | ||
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www.hackaday.io
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| | | | | As you can see by the save log on the right, it took a bit of effort to get the simulation of the machined coaxial hotend to generate believable results. I was having ABS filament that seemed to be uncooled, even though the contacts seemed to be set up correctly: As you can see, the cooling performance difference is drastic. For the machined coaxial hotend, assuming that the 6028 blows over a CSA of 36mm x 15mm, I got a coefficient of convection to be 32.3W/(m^2 K) from a wind speed of 10m/s, implying that I could run the fan at half-speed and still have adequate cooling. I used 0.03 to be the emmisivity of radiation.However, the conduction through the heatbreaks in the unibody is much too high and thus the entire part is still over 100C. Going from the simu... | |
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educationaltechnologyjournal.springeropen.com
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| | | | | While the discussion on generative artificial intelligence, such as ChatGPT, is making waves in academia and the popular press, there is a need for more insight into the use of ChatGPT among students and the potential harmful or beneficial consequences associated with its usage. Using samples from two studies, the current research examined the causes and consequences of ChatGPT usage among university students. Study 1 developed and validated an eight-item scale to measure ChatGPT usage by conducting a su... | |
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www.aanda.org
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| | | | | Astronomy & Astrophysics (A&A) is an international journal which publishes papers on all aspects of astronomy and astrophysics | |
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www.philobiblon.com
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| | | The Book Arts and Bookbinding Web: #1 site for book arts and bookbinding resources on the net, and serving the subscribers to the Bonefolder and Book_Arts-L, a listserv for all the book arts. Includes links to related sites, tutorials, images of bindings and book objects. Homepage for Peter Verheyen: librarian, binder, and conservator. | ||
