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A science demonstration for students and space research to improve life kept the Expedition 62 crew busy on Wednesday. The International Space Station residents also worked on a host of orbital plumbing and housecleaning tasks.

Radio waves generate energy that can be harnessed for a variety of applications including wirelessly powering devices or possibly beaming solar energy down to Earth. NASA Flight Engineer Jessica Meir filmed how a flashlight powered by Wi-Fi gets brighter and darker as it moves closer or farther away from a Wi-Fi device aboard the station. The video will be sent down to students to demonstrate the technology developed by the Naval Research Laboratory.

Biology research also takes place aboard the orbiting lab and the crew will soon continue exploring how microgravity affects rodents. NASA Flight Engineer Andrew Morgan worked in Japan’s Kibo lab module setting up the Life Science Glovebox that will house the rodents to be delivered on an upcoming cargo mission. Mice physiology is similar to humans so researchers observe how their bodies react to weightlessness as well as countermeasures to the long-term effects.

Meir and Morgan also split their on life support maintenance and space plumbing. Meir set up acoustic monitors to measure station sound levels before checking on safety masks and charging spacesuit batteries. Morgan printed out housecleaning to-do lists then worked on the U.S. bathroom, also known as the Waste and Hygiene Compartment.

Commander Oleg Skripochka of Roscosmos serviced Russian Orlan spacesuit water loops and checked for leaks. After checking on water tanks in the Progress 74 cargo craft, he set up exercise research gear then photographed the after effects of catastrophes on Earth.

The Cygnus cargo craft from Northrop Grumman is counting down to a launch from Virginia on Friday at 3:43 p.m. EST. The U.S. space freighter, loaded with 7,300 pounds of science, supplies and hardware, will arrive Sunday for a robotic capture with the Canadarm2 at 4 a.m. NASA TV will cover all the launch, capture and installation activities live.

The next U.S. cargo mission is now targeting Friday for its launch to replenish the International Space Station. Meanwhile, the Expedition 62 crew is continuing the upkeep of orbital lab systems.

Mission managers are waiting for the weather to clear up at Wallops Flight Facility in Virginia so they can launch the Cygnus space freighter from Northrop Grumman. Cygnus is now targeted to lift off Friday at 3:43 p.m. EST atop an Antares rocket.

Cygnus will arrive at the space station on Sunday packed with new science experiments, crew supplies and station hardware. NASA Flight Engineer Andrew Morgan will be in the cupola commanding the Canadarm2 robotic arm to reach out and capture Cygnus at 5:11 a.m. Robotics controllers will then take over and remotely command the Canadarm2 to install Cygnus to the Unity module where it will stay for three months.

NASA TV will cover all the launch, capture and installation activities live. View the NASA TV schedule here.

Morgan started his day replacing components inside an oxygen generator in the Tranquility module. Afterward, he serviced the Advanced Resistive Exercise Device that enables astronauts to maintain muscle strength during long-term space missions.

Jessica Meir of NASA worked throughout the day in Europe’s Columbus laboratory module. She was shifting cargo to access an area behind the Human Research Facility-2 rack. Once there, she installed cables that link to the Bartomoleo external payload facility on the outside of Columbus.

Commander Oleg Skripochka of Roscosmos began Tuesday transferring water from a docked Progress 74 cargo craft to a station tank. Skripochka, who is on his third station flight, then spent the afternoon cleaning cooling loops on a pair of Russian Orlan spacesuits.