Where can you see 400 inventions for 2023 under one roof? My first stop at the Foire de Paris, the Lépine Competition (Concours Lépine, Pavillon 1 Porte de Versailles). My favorite inventions this year involved reading with an LED light and page holder held with your thumb, silicon fabric storage bags, phone holder for taking notes, the petanque ball retriever, device to attach a bracelet with one hand, and the sweatshirt backpack. The Lépine competition has been active for 122 years. On the Lépine website, step back in time for all the inventions since 1901, including the braille typewriter, the washing machine, ballpoint pen, lawn mower, air humidifier, artificial heart,…