PHOTOS: 2018 USA Science and Engineering Festival

WASHINGTON — The USA Science and Engineering Festival Expo was held at the Washington Convention Center on Saturday and Sunday.

It’s the largest celebration of science, technology, engineering and mathematics in the U.S. featuring more than 3,000 exhibits and 30 stage shows.

Check out the photos from the event.

People arrive at the USA Science and Engineering Expo at the Washington Convention Center (WTOP/Melissa Howell)
People arrive at the USA Science and Engineering Expo at the Washington Convention Center. (WTOP/Melissa Howell) (WTOP/Melissa Howell)
The USA Science and Engineer Festival Expo is the nation's largest celebration of science, technology, engineering and mathmatics with mover than 3,000 hands-on exhibits. (WTOP/Melissa Howell)
The USA Science and Engineer Festival Expo is the nation’s largest celebration of science, technology, engineering and mathematics with mover than 3,000 hands-on exhibits. (WTOP/Melissa Howell) (WTOP/Melissa Howell)
Students at an exhibit presented by NASA at the Science and Engineering Fest. (WTOP/Melissa Howell)
Students at an exhibit presented by NASA at the Science and Engineering Fest. (WTOP/Melissa Howell) (WTOP/Melissa Howell)
There are more than 3,000 exhibits and 30 stage shows in the largest STEM festival in the U.S. (WTOP/Melissa Howell)
There are more than 3,000 exhibits and 30 stage shows in the largest STEM festival in the U.S. (WTOP/Melissa Howell) (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell) (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell) (WTOP/Melissa Howell)
The exhibits cover topics ranging from NASA, to the periodic table to food safety to aliens. (WTOP/Melissa Howell)
The exhibits cover topics ranging from NASA, to the periodic table to food safety to aliens. (WTOP/Melissa Howell) (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell) (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell) (WTOP/Melissa Howell)
One of the more than 30 stage shows at the USA Science and Engineering Festival Expo. (WTOP/Melissa Howell)
One of the more than 30 stage shows at the USA Science and Engineering Festival Expo. (WTOP/Melissa Howell) (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell) (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell) (WTOP/Melissa Howell)
The exhibits cover topics ranging from NASA, to the periodic table to food safety to aliens. (WTOP/Melissa Howell)
The exhibits cover topics ranging from NASA, to the periodic table to food safety to aliens. (WTOP/Melissa Howell) (WTOP/Melissa Howell)
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People arrive at the USA Science and Engineering Expo at the Washington Convention Center (WTOP/Melissa Howell)
The USA Science and Engineer Festival Expo is the nation's largest celebration of science, technology, engineering and mathmatics with mover than 3,000 hands-on exhibits. (WTOP/Melissa Howell)
Students at an exhibit presented by NASA at the Science and Engineering Fest. (WTOP/Melissa Howell)
There are more than 3,000 exhibits and 30 stage shows in the largest STEM festival in the U.S. (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell)
The exhibits cover topics ranging from NASA, to the periodic table to food safety to aliens. (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell)
One of the more than 30 stage shows at the USA Science and Engineering Festival Expo. (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell)
One of the more than 3,000 exhibits at the USA Science and Engineering Expo. (WTOP/Melissa Howell)
The exhibits cover topics ranging from NASA, to the periodic table to food safety to aliens. (WTOP/Melissa Howell)


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