The Haptic Tech That Could Let You Touch The Person You're Skyping With

I was skeptical. Two cubes sat side-by-side, looking like stripped-down 3D printers. I sat in front of one as instructed, and reached my hand inside, toward a floating disembodied finger. Just at the moment I knew I’d stab through the illusion, I had the ultimate “E.T. phone home” moment—I swear I could feel the other…