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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 7231–7260

ISEF · 2018

Are We on the Dark Side of the Universe?

Physics and Astronomy

This study investigates the content of dark matter in 150 spiral and 60 dwarf galaxies located at different cosmological distances from us. The goal was to test if nearby galaxies have more…

ISEF · 2018

Asteroid Repulsion

Physics and Astronomy

Asteroids are benign remnants of stellar formation. As benign as they may be, asteroids have been known to wreak havoc upon the Earth. The only currently known asteroid that could impact Ear…

ISEF · 2018

Asymptotics of Character Sums

Mathematics Fourth Award

In this project, we aim to prove certain properties about a particular function c(n) = b_nr(n). This is where b_n is a Boolean function with b_n being 1 if n = x^2 + y^2 for some integers x…

ISEF · 2018

A U"knee"Que Solution

Biomedical Engineering

Total knee replacements slip out of alignment over time and need to be realigned using surgical techniques. More than 54,000 revisions are performed each year in the USA alone. The revision…

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