The most successful crowdfunding campaigns are often those based in the arts. People are likely to fund projects they understand and feel they could benefit from, usually through tangible products and rewards. So crowdfunding scientific advancements can seem like a more difficult undertaking.
Researchers Jarrett Byrnes and Jai Ranganathan at the University of California-Santa Barbara have been studying crowdfunding for science as part of their project, the #SciFund Challenge. For the challenge, 200 researchers put together and ran 159 different crowdfunding projects.