There's much more to a telescope than the primary mirror which the author conveniently neglects. As others point out below, making an IR observatory (JWST) req

There's much more to a telescope than the primary mirror which the author conveniently neglects. As others point out below, making an IR observatory (JWST) requires keeping everything around the mirror cold so that the mirrors and instruments (not trivial, either) have a hope in heck of working. Livermore tested a multi-meter thin Fresnel optic back in 2002. They also worked with Robert Lang, physicist and origamist, to figure out how to pack the thing effectively. https://digital.library.unt.edu/ark:/67531/metadc1412512/m2/1/high_res_d/15005362.pdf https://digital.library.unt.edu/ark:/67531/metadc1412512/m2/... https://langorigami.com/article/eyeglass-telescope/ https://langorigami.com/article/eyeglass-telescope/