But in the near decade that followed, Hosea and his wife and business partner Lauren Feder Rosenberg have become community fixtures, proving time and time again they are anything but a flash in the pan.

Source: https://boulderweekly.com/cuisine/room-with-a-view/

For chemists, geologists and environmentalists, geologic hydrogen may be a flash in the pan, or it might be a new hydrogen “gold rush” that forever changes the world.

Source: https://www.greenprophet.com/2023/03/geological-hydrogen-for-fuel/

Fox trusted the 29-year-old Ford to deliver a competitive picture that could keep Fox in the game in case Paramount's success had been a flash in the pan.

Source: https://collider.com/the-iron-horse-john-ford-western/

Headlines can lead you to believe that EVs are dead and their recent growth is nothing more than a flash in the pan.

Source: https://investorplace.com/2023/11/7-small-cap-stocks-set-to-soar-as-interest-rates-stabilize/

In Tuesday's return clash between the team, Scotland must put in a good performance to ensure the promise they've shown in 2023 is no flash in the pan.

Source: https://www.scotsman.com/news/scotland/scotland-netherlands-reaction-defensive-frailty-reality-check-or-false-dawn-milestone-cap-for-scotland-icon-4389053

Martin Beck, chief economic adviser to consultancy the EY Item Club, says February's rise is a "flash in the pan".

Source: https://www.bbc.co.uk/news/business-65037292?at_medium=RSS&at_campaign=KARANGA