Quantum Physics Revolutionizes Technology and Medicine

Summary

Quantum physics powers modern technology from transistors and mobile phones to solar cells, X-rays, and MRI machines. The article explains how quantum ideas transformed both computing and medicine.

Key Points
  • Quantum physics emerged from problems in classical physics such as black body radiation and the photoelectric effect.
  • Its principles underpin semiconductors, transistors, mobile phones, computers, the internet, and solar cells.
  • Quantum theory also explains X-rays and enables medical imaging tools such as digital X-rays, CT scans, and MRI.
  • MRI uses hydrogen proton spin and magnetic resonance to create detailed images without ionizing radiation.
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