In a fascinating discussion, Sarah Marquardt, a freelance journalist, explores the rise and fall of solar road projects, highlighting their durability issues and poor energy yield. Quinn Myers, author of 'Google Glass,' delves into the product's hype, misreads of the market, and the public's backlash. Andrew Hawkins, a transportation editor, analyzes the Hyperloop’s ambitious promises versus its significant engineering challenges. Astrophysicist Dr. Paul Sutter discusses the dizzying costs and limited access of space tourism, noting its minimal research impact amid billionaires’ enthusiasm.