For me it’s quantum computing - especially considering its impact on most current encryption methods

  • Reusable rocketry, specifically SpaceX Starship. If it pans out it’s going to completely change our access to space and make many of those old dreams from the 1970s plausible.

    RNA vaccines for basically everything, including customized vaccines for cancer. There’s also actual progress happening in general cures for autoimmune diseases.

    Is robotics too close to AI? There are multiple companies working on general-purpose humanoid robots intended for mass production with price targets in the ten to twenty thousand dollar range, we may be getting within sight of actual robot butlers.