The strangest coincidence in physics: The AdS/CFT correspondence

Attempts to turn string theory into a workable theory of nature have led to the potential conclusion that our universe is a hologram—that what we perceive as three spatial dimensions is actually composed of only two. The ...

Why string theory requires extra dimensions

String theory found its origins in an attempt to understand the nascent experiments revealing the strong nuclear force. Eventually another theory, one based on particles called quarks and force carriers called gluons, would ...

Measuring 3D pores for better wound healing

Biomedical engineers at Duke University have developed a method to identify and characterize the empty spaces between particles in any packed structure. By mapping out these empty spaces, researchers can better understand ...

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