Airborne three-dimensional holograms are a staple of science fiction, from Princess Leia’s cry for help in Star Wars to the holodeck on Star Trek. Now, Daniel Smalley, an electrical engineer at Brigham Young University, is making them a reality in a way that could allow healthcare workers to display the human anatomy in 3D to […]
optics
The microscope makers
A small community of scientists has taken a do-it-yourself approach to microscopy: when the right tool for the job doesn’t exist, make it. While pursuing a bioengineering PhD at the University of Pennsylvania in Philadelphia, Wesley Legant ran into a frustrating roadblock: he had ideas, but the equipment to carry them out didn’t yet exist. […]