1. **AI and Machine Learning Integration**: With increasing data, AI could assist radiologists in identifying subtle patterns, diagnosing conditions earlier, and even offering second opinions. Research into AI models that interpret X-rays with high precision can help automate certain diagnostic tasks.

2. **Enhanced Image Resolution**: Future research could focus on improving the resolution and quality of X-ray images, leading to better diagnostic accuracy, especially for detecting smaller anomalies such as micro-fractures or early-stage cancers.

3. **3D X-ray Imaging**: Although 3D imaging has been available through CT scans, advancements in X-ray technology could allow more detailed, real-time 3D imaging with lower doses of radiation, which would improve clinical diagnostics.

4. **Minimizing Radiation Exposure**: Research should focus on developing new techniques or materials that reduce radiation doses while maintaining high image quality, ensuring patient safety over long-term exposure.

5. **Portable X-ray Technology**: The miniaturization of X-ray machines could be an area of focus. Portable, affordable devices that can be used in remote or emergency situations could greatly benefit healthcare delivery in underserved regions.

6. **X-ray Imaging for Non-medical Uses**: Expansion into fields such as materials science, engineering, and security. For example, using X-ray techniques for non-destructive testing of materials or for inspecting industrial components more efficiently.

7. Hybrid Imaging Techniques: Research could explore integrating X-rays with other imaging modalities (e.g., MRI, ultrasound) to create hybrid machines capable of providing multi-faceted diagnostic data for more comprehensive results.

8. X-ray Contrast Agents: Research into developing safer, more effective contrast agents for X-rays could improve imaging for soft tissues, making the procedure more versatile for various diagnostic purposes.

9. Quantum X-rays: Investigating quantum techniques in X-ray production and detection could revolutionize imaging, making it more efficient with better clarity and reduced noise, and potentially leading to entirely new applications in both healthcare and materials analysis.

10. X-ray Imaging and Cancer Research: There could be an increased focus on the role of X-rays in cancer research, particularly in understanding how radiation interacts with cells and tissues at the molecular level, potentially improving both diagnostics and treatment options. 

These recommendations can guide future research to enhance the capabilities of X-ray technology in both medical and industrial fields.