NASA astronaut Shane Kimbrough is seen executing the SPHERES-RINGS experiment aboard the International Space Station.
iss050e038054 (02/03/2017) — NASA astronaut Shane Kimbrough is seen executing the SPHERES-RINGS experiment aboard the International Space Station. The investigation uses two small, self-contained satellites (SPHERES) fitted with donut-like rings (RINGS) to test wireless power transfer and formation flight using electromagnetic fields.