[feb]Smart walls

Question 1

context?

Answer 1

U.S. is thinking of it @ U.S.-Mexico border

Question 2

What is it?

Answer 2

The ‘smart wall’ technology could solve border security issues without the need for a physical barrier.

The wall would use sensors, radars, and surveillance technology to detect and track border break-ins, and technology capable of performing the most difficult tasks dedicated to border security.