https://graduatechabad.org/event/dr-a-poltorak-quantum-mechanics-and-the-age-of-the-universe/ 2016-12-13T16:40:57+00:00 monthly 0.6 https://graduatechabad.org/event/dr-poltorak-lecture-on-quantum-torah/ 2016-12-13T14:06:22+00:00 monthly 0.6