CubeSat

The talk explains how hard tech startups can make progress by breaking ambitious goals into small, affordable milestones that prove both technical feasibility and commercial demand. YC founders are encouraged to operate quickly and cheaply, use LOIs, pilots, prototypes, and early sales to reduce risk, and show investors why their team can build what others cannot. Examples including Boom, Cruise, Astranis, AstroForge, and Solugen illustrate different paths from early proof to large-scale businesses. The speakers argue that hard tech often has clear market demand but high technical risk, and that disciplined progress can make even very ambitious companies investable.