Predicting the exact future of technology in 2070 is highly speculative, but we can make educated guesses based on current trends and emerging technologies. Here are 20 potential high-tech advancements that could shape the world in 2070:

1. Artificial General Intelligence (AGI): AGI, a machine with human-like cognitive abilities, could revolutionize industries and decision-making processes.
2. Quantum Computing: Quantum computers could solve complex problems exponentially faster than classical computers, impacting fields like cryptography, drug discovery, and climate modeling.
3. Biotechnology Advances: Customized gene editing, synthetic biology, and regenerative medicine could extend human lifespan and treat previously incurable diseases.
4. Nanotechnology: Nanobots might be used for medical procedures, repairing tissues, and cleaning up environmental pollutants.
5. Space Exploration: Human colonies on Mars and the Moon, asteroid mining, and interstellar travel could become more feasible.
6. Energy Revolution: Fusion energy, advanced solar panels, and high-capacity energy storage systems may solve the world’s energy crisis.
7. Advanced Transportation: Hyperloop systems, autonomous electric vehicles, and supersonic travel could transform how people and goods move.
8. Virtual Reality (VR) and Augmented Reality (AR): AR glasses and VR headsets could be as common as smartphones, changing how we work, learn, and socialize.
9. 3D Printing: Advanced 3D printers may produce complex structures, including human organs, in minutes.
10. Biocomputing: Biological systems could be used for computing tasks, enabling ultra-efficient, low-power computation.
11. Smart Cities: Cities may be interconnected with IoT devices, AI-driven infrastructure management, and sustainable practices.
12. Brain-Machine Interfaces: Direct communication between the human brain and machines could enable thought-controlled devices and advanced prosthetics.
13. Clean Water Technologies: Innovative methods for water purification and desalination could address global water scarcity issues.
14. Advanced Materials: Graphene, metamaterials, and other novel materials could lead to stronger, lighter, and more versatile products.
15. Healthcare Revolution: Personalized medicine, telemedicine, and wearable health tech could improve healthcare accessibility and outcomes.
16. Environmental Technologies: Advanced carbon capture, geoengineering, and conservation efforts may combat climate change.
17. Quantum Communication: Secure quantum communication networks could revolutionize cybersecurity.
18. Space-Based Solar Power: Beaming solar energy from space could provide an abundant, clean energy source on Earth.
19. Agricultural Innovation: Vertical farming, precision agriculture, and lab-grown meat could address food security challenges.
20. Ethical and Regulatory Frameworks: Developments in AI ethics, privacy, and governance will be crucial to navigate the challenges posed by these technologies.

Keep in mind that the pace of technological advancement depends on various factors, including funding, ethical considerations, and unforeseen breakthroughs. The actual state of technology in 2070 may differ significantly from this speculative list.