Drones are becoming more common every year, but many people still believe they can ____ a threat to airplanes and even to people. Reports of ____ objects flying above cities often cause ____ among local residents. Some of these ____ are explained, but many remain a mystery, and people wonder if they are connected with ____ intent. Governments say that only ____ drones should fly in order to protect public ____ and ____ security. Modern drones are very ____. They can be controlled ____, often with a smartphone, and thanks to their ____ and propellers, they can climb, descend or ____ in one place. Some of them have cameras ____, which help pilots fly without seeing the device directly. Advanced models are completely ____ and can be used for ____ of large areas. Robots developed by Boston Dynamics are small, fast and ____. Many homes now use smart ____ such as speakers, which can be controlled by voice. Virtual Reality has also made a huge ____, and together with artificial intelligence, it is reaching a new ____. Some technologies are so ____ that they can now work independently, without human control.

Drones

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