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Adam Savage rubs shoulders with future scientists at the White House

The "MythBusters" co-host shows off his favorite projects and chats with the kids behind them at the White House Science Fair.

Just because "MythBusters" has ended doesn't mean one of its former co-hosts can't rub shoulders with the next generation of scientific geniuses.

In this video from Tested posted Tuesday, Adam Savage interviews young students about their creative inventions, experiments and research at this year's 6th Annual White House Science Fair, hosted by President Barack Obama earlier this month.

Over 140 young scientists from 30 US states showed off their projects that covered topics such as Ebola, Cancer, robotics, recycling, climate change, radiation, security, education, agriculture, urban planning, solar power, and more. You can read the full list of science projects here.

"We are in the White House, and it is packed with kids and their science experiments, and I'm not talking about volcanoes," Savage says in the video. "We talking about kids who are building robots, and launchers ,and literally curing Cancer with their science fair projects. It's crazy inspiring."

Savage was particularly impressed with Augusta Uwamanzu-Nna, 17, of Elmont, New York who figured out that by adding an ingredient called attapulgite to cement it actually improves the effectiveness of the cement used underwater that prevents offshore oil wells from leaking.

Former "MythBusters" host Adam Savage takes a selfie with young inventors at the 6th Annual White House Science Fair.

Video screenshot by Bonnie Burton/CNET

"There are rocket scientists disguised as little girls," Savage says in the video.

That would be nine-year-old Kimberly and 11-year-old Rebecca Yeung from Seattle, Washington, who built a homemade "spacecraft" called the Loki Lego Launcher made from archery arrows and other wooden scraps. The girls launched it up to 78,000 feet into the sky with the help of a weather balloon filled with helium.

The video marks this as the last White House Science Fair of the Obama administration, but Savage doesn't think it's the last of its kind.

"It can't be the last," Savage adds at the end of the video. "It won't be the last. Nothing that inspiring is going to end here. That was amazing, I'm going to go home and build something."