Thanks to Chadchart, the new governor, Bangkok is turning into a huge event space for different monthly activities. Last month saw outdoor cinema. For August, the theme is science, turning the Big Mango into a big science lab. 
Here is the full schedule:
Aug 1-31: Science and technology at Children’s Discovery Museum / Curiosity Wow! at Street Ratchada
Aug 9: Data Council BKK, a meet-up for data scientists at Cleverse, 7pm
Aug 13: Bird Walk (bird watching) at Wachirabenchathat Park (Rot Fai Park), 7:30-10:30am
Aug 14: Art and Science, exploring nature via iNatualist at Santiphap Park, 4-5pm; 7-8pm
Aug 17-21: Science Carniwow at Samyan Mitrtown 
Aug 19: Techbite 4.0, Summer 2020 Demo Day at KX Knowledge Xchange, 9pm
Aug 20-21: Kidbright at Children’s Discovery Museum, 10am-4pm
Aug 21, 28: DR 01 Robot by Tropical Tech in collaboration with Bangkok Gam Lung Dee, location TBA
Aug 23: A Flight to Web 3.0 at Singha Complex, 10-11:30am
Aug 24: Krungsri: Envisioning the Future at Gayson Tower, 1-7pm
Aug 23-25: Hack BKK at Bangkok Art & Culture Center (BACC)