182 projects whose affiliated fair was here, most recently in 2026.
ISEF records a state or province for some finalists and not others, so these counts do not add up to the country total.
182 projects · showing 61–90
ISEF · 2023
Behavioral and Social Sciences
This study aimed to devise a spreadsheet, mathematically, to identify the sounds people feel comfortable, and create an environment where people worldwide can enjoy music with others towards…
ISEF · 2023
Plant Sciences
Cabbage is a vegetable commonly eaten by insects, but lettuce is not. The difference between these two vegetables is whether or not they contain latex. Figs, mulberries, and sun spurge—like…
ISEF · 2022
Energy: Sustainable Materials and Design
In line with recent increasing interest in renewable energy solutions, ammonia (NH3) has been attracting attention as an energy carrier. However, environmental conditions often affect curren…
ISEF · 2022
Animal Sciences
Ammocoetes, which are the larvae of Lampreys in the genus Lethenteron sp., are known to barely move their bodies when they submerge themselves in sandy substrates. In an experiment using a t…
ISEF · 2022
Chemistry
The purpose of this research is to establish an environmentally friendly process for manufacturing transparent wood. I focused on improvements of the method described in the paper published…
ISEF · 2022
Earth and Environmental Sciences Fourth Award
The purpose of this research is to develop a portable fertility sensor with a mapping function based on fluorescence intensities in rice paddies for optimum fertilization contributing to sus…
ISEF · 2022
Plant Sciences
The traditional Japanese farming method of mugifumi refers to the process of treading the soil and seedlings of grain. Mugifumi causes changes such as stalk thickening and tillering promotio…
ISEF · 2022
Chemistry
In principle, the water electrolysis proceeds under an applied voltage of 1.23 V. In practice, however, a voltage of ~2 V is necessary because of the rate-limiting effect of oxygen (O2) gas…
ISEF · 2022
Animal Sciences
Hoverflies (Diptera: Syrphidae) are widely considered to be among the most agile and swift modern winged insects. As implied by their name, hoverflies can hover as well as perform rapid and…
ISEF · 2022
Chemistry
An experiment in which a copper plate is zinc-plated and then heated to brass plating is known as the "Alchemist's Dream." With the conventional method, there is a risk of bumping and scatte…
ISEF · 2022
Embedded Systems
To assist amateur music performers, I have developed a general-purpose instrumental sound separation method that introduces "selective inference" and makes it possible for a large number of…
ISEF · 2022
Physics and Astronomy Fourth Award
The phenomenon in which a single drop breaks up into smaller drops after deforming into a ring was first observed about 100 years ago. However, it was just recently that the breakup mechanis…
ISEF · 2022
Animal Sciences
A subspecies of the Japanese rhinoceros beetle, Trypoxylus dichotomus septentrionalis, was recently discovered to have been introduced to the native habitat of another subspecies, T. d. taka…
ISEF · 2022
Mathematics
The aim of this research is to reveal the pattern of Mersenne Primes. Therefore, I focused on revealing the pattern of power residues of 2 modulo a prime. Mersenne Primes tend to break the r…
ISEF · 2022
Animal Sciences Third Award
Parasitic wasps (parasitoids) are often applied as biological controls in agriculture, but it is difficult to achieve 100% control of pests with parasitoids alone. This study aims to find po…
ISEF · 2022
Chemistry
Umeshu (plum liqueur) is a traditional and unique Japanese liqueur. It is made by steeping green Japanese plums in liquor and rock sugar. During a few months to a year before consumption, th…
ISEF · 2021
Chemistry Third Award
The purpose of this research is selective synthesis of indirubins and analysis of their properties. First, the synthesis of indirubins was carried out using potassium indoxyl sulfate which h…
ISEF · 2021
Mathematics
I started since I was intrigued by the by the beautiful derivation of "Buffon's needle" by integrating, and thought that it would be possible to calculate the probability of plane figures su…
ISEF · 2021
Physics and Astronomy
When we were drinking corn soup, we felt that its temperatures go up and down abruptly. On the other hand, when we were drinking coffee or tea, we felt their temperatures monotonically go do…
ISEF · 2021
Animal Sciences
Butterflies can fly on rainy days without their wings getting soaked with water. However, there are few studies comparing differences in hydrophobicity and in the factor among species or win…
ISEF · 2021
Earth and Environmental Sciences
Applying lessons learned from the tremendous damage caused by the major earthquake in 2011, Kochi City is rapidly implementing measures such as evacuation drills in various areas to reduce l…
ISEF · 2021
Chemistry
Bioethanol is an eco-friendly energy resource based on glucose extracted from agricultural crops, such as corn. To avoid competition between bioethanol production and food production, we foc…
ISEF · 2021
Physics and Astronomy
Antibubbles are water droplets covered with a thin film of air. It can be made by dropping a liquid into a dilute soap solution by using dropper. The generated antibubbles sink into the wate…
ISEF · 2021
Physics and Astronomy
Have you ever seen supernumerary rainbow? This is observed a little inside a main rainbow under some rare weather condition. When rainbows are seen in nature, the size of the water droplets…
ISEF · 2021
Plant Sciences
Marasmiellus mesosporus Singer hosted by herbs thrive on the beaches throughout Japan. Considering their survival strategies, I observed them in 105 places from childhood. I noticed that man…
ISEF · 2021
Physics and Astronomy
Computer simulations play a fundamental role in the field of science. However, the necessary calculations require serious computing power, a facility which is often confined to well-funded i…
ISEF · 2021
Energy: Sustainable Materials and Design
H2 is important as a promising green energy source. Conventional H2 production methods include the steam reforming of fossil resources, water electrolysis, biomass fermentation, and photocat…
ISEF · 2021
Chemistry
Chromatography is a well-known method for separating gas or liquid components from mixtures but is unavailable for mixtures of solids. Here, we describe a practical analytical method for sep…
ISEF · 2021
Systems Software
From the perspective of disability science and engineering, there are a variety of software sources that help disabled people such as transcription apps and audio guides. On the other hand,…
ISEF · 2021
Animal Sciences Fourth Award
In 2018, G. bimaculata was found in Izumi City, 600 km away from its native habitat. Since detailed morphological or DNA analysis was not yet available, this study was conducted with the aim…