Crystal (Xal) radios for learning physics I have been working on what has proven to be very popular physics professional development with the NY Master Teachers program, and we have been having a blast building crystal radios.The Physics Teacher American Association of Physics Teachers Also consider attending the late July AAPT National Meeting in College Park, MD, and the Physics Education Research Conference (PERC) immediately following it. In particular this summer there will be over 50 Modeling Physics (and related) courses offered in at least 22 states (see the excellent website). We used the sci-toys designs extensively and purchased As is traditional every May issue, I remind readers there are many physics teaching professional development opportunities and research experience for teachers (RET) opportunities, kindly collected at the PhysTEC website clearinghouse. Summer professional development for physics teachers /pd/ /workshops-2015/ /Conferences/sm2015/.The work includes specific guidelines for physics teacher education, summarizes research associated with physics teaching and learning, and includes a myriad of effective instructional strategies in high school physics. The work is intended for preparing physics teachers and as a detailed reference for in-service physics teachers, emphasizing pedagogical content knowledge in physics education. Bravo! DOI: 10.1119/1.4917449 A brand new three-volume Kindle (electronic) book on physics teaching has just been released by the accomplished and well-respected father-daughter author team of Carl Wenning and Rebecca Vieyra. A lot of fun for physics of sound students and their profs. Polyphonic overtone singing Explained visually /WS-Overtone2 The original YouTube overtone singing video published here in December 2014 has been re-edited into a multiply-split screen format that includes a piano keyboard, a graphic spectrum analysis (frequencies versus time), and Anna-Maria Hefele's singing with even more detailed overdubbed explanation.Finally, in the discussion of how detector diodes work, we discovered the wonderful animated video "The PN Junction" from the UniverDOI: 10.1119/1.4917450 sidad de Granada. And we have been picking up a nearby powerful FM station (WBUF) through a Ge diode, which is challenging our explanatory abilities. An oddly amusing crystal radio is rEdf196's CB crystal radio using an electric guitar amplifier instead of headphones. ![]() There are also many excellent YouTube videos for Xal radios, particularly those from 's channel. and we also purchased their supplies for transistor radios and simple AM transmitters-the latter are both fun and useful for troubleshooting newly manufactured Xal radios. Fraknoi, Chair Astronomy, Foothill College DOI: 10.1119/1.4917448 their materials for manufacturing almost 100 radios-Ge diodes, varicaps, piezoelectric earphones, ferrite loop coils, etc. JAESE also considers essays on innovative teaching strategies and successful public outreach programs. The journal publishes refereed research papers on teaching and learning across a broad range of geosciences disciplines including: astronomy, agriculture, climate science, geology, geography, energy resource science, environmental science, meteorology, planetary sciences, and oceanography. Detailed author guidelines are available at the journal website, and questions may be directed to the editor, Dr. The journal fills a void created when the American Astronomical Society stopped publishing its online journal, Astronomy Education Review, in 2013. The first issue is already complete (see org), and papers are now being accepted for the second issue. Entitled The Journal of Astronomy and Earth Sciences Education (JAESE), the new peer-reviewed publication is open-access, meaning it is free to all readers.
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