Advantages:-
(1) It is the best inventions in terms of one of the renewable source of energy and this is the need of hour to go for more inventions in this filed and it is one of them.
(2) It is more efficient than conventional solar energy panel because of its spherical shape and it can produce more energy and also efficiently.
(3) Capability to produce magnified beam of light makes it more efficient and different from others.

Thank you...steem on that hunt.