- The Royal Swedish Academy of Sciences has selected three scientists
 	- Arthur Ashkin (USA),
 
 	- Gerard Mourou (France) and
 
 	- Donna Strickland (Canada)
 
 
for the 2018 Nobel Prize in Physics.
 	- They were selected for ground breaking inventions in the field of laser physics.
 
 	- Arthur Ashkin is 96 years old which makes him oldest scientist ever to be awarded a Nobel Prize.
 
 	- He received prize for optical tweezers and their application to biological systems.
 
 	- Gerard Mourou and Donna Strickland were jointly awarded for their innovative technique is known as ‘chirped pulse amplification’ (CPA).
 
 	- Strickland became 3rd woman to have received Nobel Prize in Physics, after Marie Curie in 1903 and Maria Goeppert Mayer in 1963.