Thousands of amateur (ham) radio operators around the world were able to say “Hi” to NASA’s Juno spacecraft Oct. 9 as it swung past Earth on its way to Jupiter. According to Donald Kirchner, University of Iowa research engineer on Juno and one of the coordinators of the all-volunteer “Say Hi to Juno” project, all licensed amateur radio operators were invited to participate by visiting a website and following posted instructions.

Congratulations to Alan denBleyker for successfully defending his PhD dissertation on "Study of Phase Transitions in Spin and Gauge Models Using Fisher’s Zeros." "...

Congratulations to Ran Lin for successfully defending his PhD dissertation on "Organic Spintronic Devices Utilizing Spin-Injection, Spin-Tunneling and Spin-Dependent Transport." "Dr.

Congratulations to Kristopher Klein for successfully defending his PhD dissertation on "The Kinetic Plasma Physics of Solar Wind Turbulence." "...

Congratulations to Dennis Norton for successfully defending his PhD dissertation on "Type-II InAs/GaSb Superlattice LEDs: Applications for Infrared Scene Projector Systems." "...

If you've ever whirled a ball attached to a string around your head and then let it go, you know the great speed that can be achieved through a slingshot maneuver. Similarly, NASA's Juno spacecraft will be passing within some 350 miles of Earth's surface Wednesday, Oct. 9, before it slingshots off into space on a historic exploration of Jupiter.