The Download: AI roadblocks for humanoids and portable rubber dams

The article discusses the challenges of using current AI systems, like those behind chatbots such as ChatGPT, to power humanoid robots. While AI has made significant progress in mimicking human language and images, researchers argue that these systems struggle to handle the unpredictable physical world. The article highlights a debate among roboticists about whether existing AI is sufficient to create truly versatile humanoid robots or if entirely new approaches are needed. The hype around humanoid robots often oversimplifies the complexity of integrating AI with physical movement and real-world interactions. As of October 2026, no breakthrough has yet made humanoid robots practical for everyday use, and their development remains a distant goal.

WaveSave, a climate tech company, has developed a portable rubber dam called SlamDam to address flooding caused by rising sea levels. This simple yet innovative tool can be quickly deployed by anyone by unfurling it along a riverbank or shoreline and pumping it full of water until it inflates to a height of up to 1.3 meters. The dam then acts as a barrier, protecting nearby properties or structures from floodwaters. Unlike permanent flood defenses, SlamDam is designed for rapid installation during emergencies, making it a flexible solution for communities facing increasing flood risks. The company is featured in MIT Technology Review’s list of 10 Climate Tech Companies to Watch for 2026.

Scientists in Austria and China have created the world’s first nuclear clocks, which could become the most precise timekeepers ever built. These clocks use the vibrations of atomic nuclei, specifically thorium-229, to measure time with unprecedented accuracy. Nuclear clocks could surpass traditional atomic clocks, which rely on electrons, by being up to six times more stable, as demonstrated by China’s version. Beyond timekeeping, these clocks may help scientists search for dark matter, a mysterious substance that makes up most of the universe’s mass. The development represents a significant leap in precision measurement, with potential applications in physics, navigation, and space exploration.

OpenAI has made progress in specialized fields, including mathematics, where its AI models are achieving breakthroughs that go beyond basic calculations. The company’s advancements suggest that AI is evolving to handle increasingly complex and niche tasks, such as solving mathematical proofs and conducting research. This progress is part of a broader trend where AI systems are moving beyond general-purpose language models to tackle specialized domains. OpenAI’s efforts in math also highlight its competition with other AI labs, such as Anthropic, in areas like coding and reasoning. These developments could accelerate research in mathematics and related fields by automating complex problem-solving.

Jonathan, a 194-year-old giant tortoise, has had its genome sequenced by scientists, offering insights into longevity and aging. As the world’s oldest known land animal, Jonathan’s genetic makeup could reveal mechanisms for extending human lifespan. Researchers are particularly interested in his mitochondria, the energy-producing structures in cells, which may play a role in repairing DNA damage. This study could contribute to understanding how certain species achieve remarkable lifespans, with potential implications for human health and anti-aging research. The research is part of broader efforts to explore the biology of aging across different species.