Q. ‘Project Loon’, sometimes seen in the news, is related to

Answer: (b) wireless communication technology

Project Loon is a pilot project developed by Google LLC. It is aimed at providing the internet by using balloons that would trace the earth.
Project Loon was developed with the aim of providing economic internet access across the world. It is a research and development (RnD) project that is developed by Google.
It comprises a network of balloons that would float above in the stratosphere higher than the airplanes and the weather. The Balloons are carried across the globe with the wind that is used to direct the direction of the balloons.
People using this technology would be able to set up a connection with the balloons using antennas attached to their buildings.