Hong Kong - At the 2020 China International Smart Industry Expo Online Summit, Nobel Prize winner Kostia Novoselov "showed" in a brand-new way, a holographic projection, and shared the latest research results of his team. This year, WAIC was held for the first time in the form of a "cloud exhibition", which also includes real-life holographic projection and real-time 3D cloud guest experience. Among them, Jack Ma, founder of Alibaba, and Elon Musk, co-founder, and CEO of Tesla, used holographic projection to connect video conferences.