The drone hovering over your house can now defend itself:

http://www.bbc.co.uk/news/technology-40901393

https://dukeroboticsys.com/

..... The Tikad drone, available for private sale at an undisclosed price, has won a security innovation award from the US Department of Defense, and there is interest from several military forces around the world, including Israel ....

Last edited by RedToo; 08/11/17 10:47 PM. Reason: added website.
My 'Waiting for Clod' thread: http://tinyurl.com/bqxc9ee

Always take sides. Neutrality helps the oppressor, never the victim. Silence encourages the tormentor, never the tormented.
Elie Wiesel. Romanian born Jewish writer, professor, political activist, Nobel Laureate, Holocaust survivor. 1928 - 2016.

Indeed the safest road to Hell is the gradual one - the gentle slope, soft underfoot, without sudden turnings, without milestones, without signposts. C.S. Lewis, 1898 - 1963.