Science news this week: Atmospheric holes and smarter glasses

This week in science news, we saw SpaceX rockets punching temporary holes in our planet’s atmosphere, heard about new technology for smart glasses that use sonar, and learned of the incredible sleeping patterns of chinstrap penguins. It seems like not a week goes by without another SpaceX launch, but this time, it’s not what goes up but what happens when it comes back down. Science news this week: Atmospheric holes and smarter glasses comes via ChinaTechNews.com.