<p>Rewind to our chat with Jason Ballard, CEO and co-founder of ICON, a digital construction company that 3D-prints houses... that might end up on the moon someday.</p>

Rewind to our chat with Jason Ballard, CEO and co-founder of ICON, a digital construction company that 3D-prints houses... that might end up on the moon someday.

Flashback: Building 3D homes on the moon

What if we spent more time thinking about solutions rather than problems? Are you looking for more positive news? World Changing Ideas travels around the globe to find the leaders, experts and activists who are dreaming big and working to change the world for the better. With a focus on the environment, social justice and innovation, these are stories that will get you thinking. World-changing ideas come in all shapes and sizes. Join the conversation with solutions journalist and filmmaker Amelia Hemphill.

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Flashback: Building 3D homes on the moon

Flashback: Building 3D homes on the moon

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