The multiverse of DC Comics is full of superlatively powerful beings. Most of these were born with their powers, but for many humans and aliens out there, science is the key to their abilities. Many of the most intelligent superheroes in any universe exist in DC's comics and some of them have created or found technology that has made them extremely formidable.
Source:https://www.cbr.com/dc-comics-characters-best-science-upgrades/