Vol. XIII Motion sensors on Shabbos July 1, 2015 admin Download links: A is full, b is brochure HALOCHOSCOPE XIII36A.pdf HALOCHOSCOPE XIII36b.pdf
Vol. XV participating in minyan when nature calls June 15, 2015 admin Download links: A is full, b is brochure HALOCHOSCOPE XV45b.pdf HALOCHOSCOPE XV45A.pdf
