“Because the particles are so small, you can’t just remove them from liquid using conventional ways,” she said. ![]() The experiment involved testing one step in the process: extracting the bits of plastic from a liquid. Luckily, Kunitskaya didn’t have to bring any actual poop on the flight. The idea is to use the raw plastic in 3D printers on long-duration space journeys. Kunitskaya and her teammates are working on a way to turn an astronaut’s fecal matter into plastic with an engineered bacteria. Of course there was work to be done during the flight. Kunitskaya said she and others on the plane used the time to take some quick selfies and to just enjoy the experience. While she floated slightly out of her chair, she was still tethered to the chair, meaning somersaults and Superman-style flying was not an option. Sometimes you lose control of your hands because they just kind of float on their own.” “I think it’s because the fluids in the body shift to your head, and maybe that’s what makes it feel like you’re upside down. She said the moment they began experiencing microgravity, it felt to her as if the plane had suddenly flipped upside down. “I did puke a little bit,” laughed Kunitskaya, “but I still did my job.” It was once the plane got back to level flight that she felt sick. She said it wasn’t the floating that bothered her stomach, nor was it the 2-Gs (double the earth’s normal gravity) she experienced entering and exiting the parabolas. “You just accept the fact you might get sick, and you work through that.” “I started feeling it right after the first parabola and I just had the bag near me the whole time,” she said. Kunitskaya said she knew going into the flight that she would likely experience motion sickness, but she didn’t let that stop her. She said six of those were for doing experiments, but the first and last were just for fun, and so they could get a feel for what it would be like. ![]() “So eight times in zero gravity for about 20 seconds each.” “We did eight parabolas,” said Kunitskaya. As the plane reaches the top of its arc, the passengers experience 20 to 30 seconds of weightlessness, or microgravity. The plane is a commercial airliner that has been adapted to fly scientists and their experiments on large arcing parabolas through the sky. “A couple of years ago, I couldn’t have imagined I’d actually get the opportunity to go on the Vomit Comet.” “It’s definitely a dream come true,” said Kunitskaya, a chemical engineering student at the University of Calgary’s Schulich School of Engineering. Alina Kunitskaya has been dreaming of becoming an astronaut for most of her life, and on Wednesday she took a giant zero-gravity leap towards that goal with a trip on the world-famous Vomit Comet.
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