The project inspired by a visit to a planetarium by deaf students is personal for Tyler Foulger and a few other student researchers from Brigham Young University because they were born deaf.
"My favourite part of the project is conducting experiments with deaf children in the planetarium," Foulger said.
"They get to try on the glasses and watch a movie with an interpreter on the screen of the glasses. They're always thrilled and intrigued with what they've experienced. It makes me feel like what we are doing is worthwhile," he said.
One finding from the tests is that the signer should be displayed in the centre of one lens.
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That surprised the researchers, who assumed there would be a preference to have video displayed at the top, like the way Google Glass normally does it.
Deaf participants preferred to look straight through the signer when they returned their focus to the planetarium show.
The potential for this technology goes beyond planetarium shows. The team is also working with researchers at Georgia Tech to explore signglasses as a literacy tool.