Answer:
There is an ancient invention still used in some parts of the world today that allows people to see through walls. What is it?
What can you easily break but never touch?
Temporary evidence of where you've been strolling
Small, containing light, You'll need it in the dark, It will provide that spark, and shine into the night. Will light up any pyre, 'Cause it can help make a fire.
This is a plant named after a light source. What is it?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?