RIO DE JANEIRO, BRAZIL - AUGUST 03: A journalist works on his computer as Team Russia athletes for the Rio 2016 Olympic Games attend their welcome ceremony at the Athletes village on August 3, 2016 in Rio de Janeiro, Brazil. (Photo by David Ramos/Getty Images)

Letters spell the word "Alphabet" as they are seen on a computer screen with a Google search page in this photo illustration taken in Paris, France, August 11, 2015. REUTERS/Pascal Rossignol

Letters spell the word "Alphabet" as they are seen on a computer screen with a Google search page in this photo illustration taken in Paris, France, August 11, 2015. REUTERS/Pascal Rossignol

Mike Cruse, CEO of Definium Technologies, poses with LoRa equipment he designed and built in his laboratory in Launceston, Australia July 22, 2016. Picture taken July 22, 2016. REUTERS/Dean Yates

Mike Cruse, CEO of Definium Technologies, poses with LoRa equipment he designed and built in his laboratory in Launceston, Australia July 27, 2016. Picture taken July 27, 2016. REUTERS/Dean Yates

(FILES) This file photo taken on February 8, 2016 shows President of The Academy of Motion Picture Arts and Sciences Cheryl Boone Isaacs arriving at the 88th Oscar Nominees Luncheon in Beverly Hills, California. Academy of Motion Picture Arts and Sciences president Cheryl Boone Isaacs, who is African American, has been re-elected for a fourth term as the organization pushes for more diversity. The vote late August 2, 2016 follows a tumultuous several months for the body that bestows the Oscars, with the all-white slate of acting nominees at the 2016 ceremony sparking outrage. / AFP PHOTO / Robyn BECKROBYN BECK/AFP/Getty Images

(FILES) This file photo taken on October 8, 2009 shows Ahmad Zewail, Egypt-born US 1999 Nobel Chemistry laureate attending press conference before the Nobel Laureates Seminar in Vienna. Nobel prize-winning Egyptian chemist Ahmad Zewail, who served as a science and technology advisor to US President Barack Obama, died on August 2, 2016 in the United States at the age of 70, Egypt's presidency announced. / AFP PHOTO / SAMUEL KUBANISAMUEL KUBANI/AFP/Getty Images

(FILES) This file photo taken on September 11, 2012 shows US-Egyptian Nobel prize-winning scientist Ahmed Zewail addressing the members of the constitution committee at the Shura council in Cairo. Nobel prize-winning Egyptian chemist Ahmad Zewail, who served as a science and technology advisor to US President Barack Obama, died on August 2, 2016 in the United States at the age of 70, Egypt's presidency announced. / AFP PHOTO / KHALED DESOUKIKHALED DESOUKI/AFP/Getty Images