The 2018 Open Day was held at IHEP’s Yuquan campus on May 19^th. Visitors from middle schools, research institutions and universities across Beijing took this opportunity to explore the subatomic universe and experience the wonder of science. (Image by IHEP) 

Visitors gathered in the IHEP auditorium to hear talks on the Beijing Electron Positron Collider, High Energy Photon Source, China Spallation Neutron Source, and Hard X-ray Modulation Telescope. (Image by IHEP)

Hands-on scientific experiments were organized for young students. The picture shows young visitors trying out an experiment on Tesla coils. (Image by IHEP)

Students carry out an experiment in which a magnetic levitation motor is driven by light.(Image by IHEP)

Some IHEP scientists have written many popular science books for the general public, and during the Open Day they were available to sign books for readers.(Image by IHEP)

Tours were given of the storage ring of the Beijing Electron Positron Collider.(Image by IHEP)

Visitors were able to see the IHEP Computing Center and learn about the institute’s computing services for high energy physics.(Image by IHEP)

There were posters to give a general introduction to IHEP’s scientific activities.(Image by IHEP)

The China Spallation Neutron Source, at IHEP’s Dongguan branch, was included in the Open Day for the first time this year. Over 2,000 people visited the facility on this day.(Image by IHEP)

A live scientific talk was delivered at the Dongguan branch. Over one million people watched the talk online.(Image by IHEP)