Two topics as follows:
(1) Nathan Murphy (Lowbrows). “A Survey of Telescope Designs, Part 2: Refractors or How to Tell Nagler-Petzval from a Frauhofer.”
(2) Yasuharu Inugi (Lowbrows). “A demonstration of the Sega Toys Homestar (21st Century Home Planetarium).”
The Sega Toys Homestar is described in: Yasuharu Inugi. (August 2006). “‘Homestar,’ A Compact Home Planetarium.” Reflections of the University Lowbrow Astronomers, pp. 4-6. [Here]