Predicting specific technologies in 2050 is speculative, but several broad trends suggest potential inventions:

1. **Advanced AI and Robotics**: AI may reach human-level intelligence, leading to robots performing complex tasks in various industries, from healthcare to manufacturing.

2. **Space Exploration Technologies**: Advancements could lead to commercial space travel, asteroid mining, and perhaps settlements on Mars or the Moon.

3. **Biotechnology**: Breakthroughs in genetic engineering could revolutionize medicine, agriculture, and environmental sustainability.

4. **Clean Energy Innovations**: Fusion reactors, advanced solar technologies, and grid-scale energy storage could transform global energy production and consumption.

5. **Quantum Computing**: Quantum computers might solve problems currently intractable for classical computers, impacting fields like cryptography, materials science, and drug discovery.

6. **Augmented Reality (AR) and Virtual Reality (VR)**: These technologies could revolutionize entertainment, education, and remote work.

7. **Nanotechnology**: Nano-scale materials and devices might lead to breakthroughs in healthcare, electronics, and environmental remediation.

8. **Smart Cities**: Infrastructure integrated with IoT, AI, and renewable energy sources could enhance urban living, transportation, and sustainability.

9. **Brain-Machine Interfaces**: Direct communication between the brain and machines might revolutionize healthcare, assistive technologies, and gaming.

10. **Sustainable Innovations**: Innovations addressing climate change, such as carbon capture technologies and sustainable agriculture methods, could be critical.

Overall, technological advancements by 2050 may span AI, biotechnology, space exploration, quantum computing, and sustainability, reshaping industries and daily life profoundly.