DEADLY SUBMARINE DISASTER: The wreckage of a missing Indonesian submarine has been found and all 53 crew members declared dead, with new images from underwater cameras showing the vessel broken apart 2,750 feet-deep on the ocean floor. Linsey Davis reports. https://abcn.ws/3az7W6z | ABC World News Tonight with David Muir

Ship footage captures sound of Titan sub imploding | Extra Ordinary

How do you crush a can, without using your hands or legs? Use 💥 implosion 💥 Jiayuan, Anthea, and Claris from Nanyang Girls’ High School give us the lowdown on how that works. Theirs is one of many cool projects at Illustratum 2023, a competition held for secondary school students to showcase and explain Physics in an engaging manner. It’s co-organised by National University of Singapore’s Department of Physics and Science Centre Singapore. Sign-ups for next year’s Illustratum will open soon. K

Step aboard the pinnacle of ocean exploration: the OceanXplorer. With her own submersibles, wet and dry labs, and hologram technology, every inch is designed to push the limits of marine discovery further than ever before. Watch her and her crew in action in #OceanXplorers, Sundays at 9/8c on National Geographic. Now streaming on Disney and Hulu. | National Geographic TV

The most ambitious exploration of our oceans yet. Aboard the world’s most advanced scientific vessel, a team of pioneers, scientists, and filmmakers sets out to uncover the secrets of the deep. Starts 21 August at 19:00, DStv Channel 181 | National Geographic Africa