Question

Developments in lasers and robotics have helped people

protect crops from destruction.
perform complicated surgeries.
monitor and predict the weather.
create renewable energy sources.

Answer 1

All of the above. Developments in lasers and robotics have contributed to each of those areas — briefly:

- Protect crops from destruction: robots and drones inspect fields, apply pesticides or fertilizer precisely, and harvest to reduce waste; machine-vision and LiDAR map crop health; lasers are used in targeted weed control systems (e.g., laser weeders) and in pest-detection/kill tools.

- Perform complicated surgeries: surgical robots (e.g., the da Vinci system) give surgeons greater precision, smaller incisions and steadier control; medical lasers (femtosecond, CO2, excimer) are used in eye surgery, soft-tissue cutting, ablation and other precise procedures.

- Monitor and predict the weather: Doppler LiDAR and laser-based remote sensors profile winds, aerosols and humidity; autonomous robotic platforms (unmanned aircraft, buoys, weather drones) collect data in places satellites and humans can’t reach, improving forecasts and models.

- Create and maintain renewable energy sources: robots are used to manufacture, install and inspect/repair solar panels and wind-turbine blades, reducing cost and downtime; lasers are used in precision cutting/welding for PV cell production and in advanced energy research (e.g., inertial-confinement fusion experiments).

If you want, I can give more examples or recent projects for any one of these areas.