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🪼Cyborg jellyfish for ocean research! Caltech scientists are experimenting with moon jellies, turning them into “biohybrids” by adding tiny sensors and microcontrollers. Why? To explore the ocean in a cheaper, more natural way than bulky, expensive robots. 1)Electrodes gently guide the jellyfish up and down while tracking pH, salinity, temperature, and pressure.
 2)Jellies are perfect test subjects: they don’t feel pain, can regenerate, and already handle deep-sea pressure.
 3)Challenges remain like weak materials at depth and no sideways steering but upgrades with servo arms and glass shells are being tested. 
4)Other jellyfish species are also being studied to suit different ecosystems with minimal disruption. Instead of building machines from scratch, scientists might just use nature’s own designs - living jellyfish as self-healing, low-cost ocean sensors.