Foldscope

The Foldscope is an ultra-affordable, paper microscope designed for widespread use in education, research, and personal exploration. Invented by Manu Prakash and Jim Cybulski at Stanford University, it is constructed primarily from a single sheet of durable, water-resistant paper that can be folded into a functional microscope.

The device typically uses a spherical lens and offers magnification comparable to traditional optical microscopes, often around 140x, with a resolution of approximately 2 micrometers. Illumination is typically provided by ambient light or an external light source, such as an LED.

Foldscopes are often distributed in a flat-packed format, requiring the user to assemble the microscope themselves. This assembly process is intended to be simple and engaging, promoting hands-on learning about the principles of microscopy.

Due to its low cost and portability, the Foldscope has been widely adopted in resource-limited settings and educational programs around the world, enabling access to microscopy for a broader range of users. Applications include field research, disease diagnosis, and science education in schools and communities with limited access to traditional laboratory equipment.

Key features of the Foldscope include its affordability, portability, durability, and ease of use, making it a valuable tool for democratizing access to microscopy.