String effects may possibly be first discovered in certain experiments in observational cosmology, such as the power spectrum measurements of the cosmic microwave background.

• 弦论中的非经典时空影响早期宇宙的发展；在一些观测宇宙学的实验中人们也许会发现弦论的效应；例如微波背景辐射的功率谱的反常.