Discoveries and technologies

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Across
  1. 2. A form of energy resulting from the existence of charged particles.
  2. 5. Pertaining to an organism that contains genes from another species.
  3. 6. An integrated circuit that contains the functions of a central processing unit of a computer.
  4. 10. An artificial object placed in orbit around a celestial body.
  5. 11. A display screen that is sensitive to touch, allowing the user to interact with it by touching areas on the screen.
  6. 15. A form of electromagnetic radiation used for medical imaging.
  7. 17. An electronic device capable of performing arithmetic or logical operations.
  8. 18. An instrument used to see objects that are too small to be seen by the naked eye.
  9. 19. An instrument used to observe distant objects
  10. 20. The first antibiotic discovered by Alexander Fleming.
  11. 21. The molecule that carries genetic instructions for the development, functioning, growth, and reproduction of all known organisms.
  12. 23. A system for transmitting visual images and sound over a distance.
  13. 25. The emission of ionizing radiation or particles
  14. 26. A system for transmitting messages over long distances using coded signals.
  15. 28. A set of rules to be followed in calculations or other problem-solving operations.
  16. 29. A synthetic material made from a wide range of organic polymers.
  17. 30. Global Positioning System, a satellite-based navigation system.
Down
  1. 1. A semiconductor device used to amplify or switch electronic signals.
  2. 3. A global network of interconnected computers.
  3. 4. The manipulation of an organism's genes using biotechnology.
  4. 7. An engine that uses the expansion or rapid condensation of steam to generate power.
  5. 8. A device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.
  6. 9. A material with electrical conductivity intermediate to that of a conductor and an insulator.
  7. 12. A tiny wafer of semiconducting material used to make an integrated circuit.
  8. 13. The manipulation of matter on an atomic, molecular, and supramolecular scale.
  9. 14. A machine capable of carrying out a complex series of actions automatically.
  10. 16. A substance used to stimulate the production of antibodies and provide immunity against diseases.
  11. 22. A power-saw using a toothed or abrasive disc rotating on a vertical or horizontal axis.
  12. 24. The transmission of light through optical fibers for communication or signaling.
  13. 27. Power generated from the energy of falling or fast-running water.