NASA’s Big Idea Challenge Forum Post author By Mark Post date January 6, 2021 NASA’s Big Idea Challenge Forum. Virtual Event. Wednesday, January 6, 2021 3:50-4:50 p.m.. read more ← NASA’s Perseverance Rover Takes 3D Printing to Mars → NASA ROSES-20 Amendment 79: Increased Budget and Delay of Step-1 Proposal Due Date for B …