Predicting specific disruptive technologies with certainty 20 years into the future is highly challenging, but we can identify some emerging trends and areas of innovation that have the potential to be disruptive in the coming decades:

1. Artificial Intelligence (AI) Evolution: AI is expected to continue evolving, with applications in areas like natural language processing, machine learning, and robotics. AI-driven automation may disrupt various industries, including healthcare, transportation, and manufacturing.
2. Quantum Computing: Quantum computers have the potential to revolutionize computing by solving complex problems that are currently infeasible for classical computers. This could disrupt fields like cryptography, materials science, and optimization.
3. Biotechnology Advancements: Innovations in biotechnology, particularly in gene editing, synthetic biology, and regenerative medicine, may lead to transformative breakthroughs in healthcare, agriculture, and the environment.
4. Renewable Energy and Energy Storage: Advances in renewable energy technologies, such as improved solar panels and wind turbines, along with breakthroughs in energy storage, could disrupt the fossil fuel industry and lead to a more sustainable energy landscape.
5. Advanced Materials: The development of new materials with exceptional properties, especially at the nanoscale, could disrupt industries ranging from electronics and aerospace to healthcare and construction.
6. Space Exploration and Commercialization: The growth of private space companies and increased space exploration activities, including potential human missions to Mars, could disrupt the space industry and create opportunities for new technologies and industries.
7. Brain-Computer Interfaces: Progress in brain-computer interfaces (BCIs) may lead to disruptive applications in healthcare, communication, and human augmentation, enabling direct interactions between the brain and external devices.
8. Environmental Technologies: Innovations in environmental monitoring, carbon capture, and sustainable agriculture practices could help address climate change and disrupt industries related to energy, agriculture, and conservation.
9. Autonomous Vehicles and Transportation: The development and widespread adoption of autonomous vehicles, drones, and new transportation models may disrupt traditional transportation systems, impacting automotive, logistics, and urban planning.
10. Telemedicine and Healthcare Delivery: Telemedicine, wearable health tech, and remote healthcare solutions could change the way healthcare is delivered, potentially improving access and efficiency.
11. Blockchain and Decentralized Finance (DeFi): The continued development of blockchain technology and the growth of decentralized finance could disrupt traditional financial systems, banking, and even aspects of governance.
12. Education Technology (EdTech): Innovations in online education, personalized learning, and immersive technologies may disrupt traditional educational models and expand access to learning resources.
13. Advanced Robotics: Advancements in robotics, including soft robotics, swarm robotics, and human-robot collaboration, could disrupt industries such as manufacturing, healthcare, and agriculture.
14. 3D Printing and Additive Manufacturing: Widespread adoption of 3D printing and additive manufacturing technologies may disrupt traditional manufacturing processes, enabling rapid prototyping and localized production.
15. Augmented Reality (AR) and Virtual Reality (VR): AR and VR technologies have the potential to transform industries like gaming, education, healthcare, and remote work.

These are speculative areas of disruption, gather through ongoing trends, tech giants and visionaries, although the actual disruptive technologies that emerge may be a result of unforeseen breakthroughs or combinations of existing technologies, too. Additionally, the social, regulatory, and ethical implications of these technologies will play a crucial role in shaping their impact on society over the next 20 years.