/u/Casperzwaart100's posts
Mark as read: Add to a list
What scientific inventions were made during world wars, that are still used nowadays in everyday-life.
Mark as read: Add to a list
What chemical breakthroughs have happened because of major historical events, that wouldn't have happened otherwise?
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list