← All regions

United States of America

11705 projects whose affiliated fair was here, most recently in 2026.

States and provinces

ISEF records a state or province for some finalists and not others, so these counts do not add up to the country total.

Projects

11705 projects · showing 8311–8340

ISEF · 2017

Discrete Ricci Flow on Discrete 3-Manifolds

Mathematics Second Award

In this project, Ricci flow and normalized Ricci flow were studied in a discrete 3-dimensional setting, where the manifold of interest is the boundary of a 4-simplex. This manifold is the di…

ISEF · 2017

Does Water pH Affect Plant Growth?

Plant Sciences

The purpose of the project I conducted was to test the short-term effect of changing water pH on pea plant growth. Changing the pH of water was supposed to simulate how polluted water effect…

ISEF · 2017

DSSCs and Their Potential for Clean Energy

Earth and Environmental Sciences

With the increase of production and research of dye synthesized solar cells (DSSC), solar technology as a whole has advanced and could possibly cause solar technology to expand to all househ…

Save projects to your library

Sign in with Google to keep track of projects you find interesting, organized into folders. An account also raises your daily allowance for “Has this been done?”, and lets you create a key for the MCP server with a much higher limit than anonymous use. Browsing stays public.

Continue with Google