24 links have been added on 8 ideas about #summer.
  1. This is a next-level commercial mower.

  2. Take a look at this experimental air-conditioned lawn mower made in the 1950s. It’s too bad it went into production.

  3. It’s been done! This sunscreen uses radioactive cooling to keep the wearer cool in hot weather.
    https://www.sciencedaily.com/releases/2024/12/241219152401.htm

  4. The new My Skin Track UV device is the world’s first battery-free wearable electronic gadget to measure UV exposure. Developed by Roche-Posay and L’Oréal, its parent company.