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Harvard unveils 3D-printing pen that can create metallic objects suspended in midair

The pen (pictured generating metallic hoops), unveiled earlier this month by Harvard's Wyss Institute, doesn't need any support to function, unlike traditional 3D printers. more on Geo altCom chocchkforvandk 46yo Rochester, New York, United States TopDreamCatcher 46yo Looking for Men or Women Newhall, California, United States megLaD0n 22yo Great Lakes, Illinois, United States babegyrl1023 49yo Sacramento, California, United States emandsm4fun 23yo Pendleton, Oregon, United States SweetBlondHoney 28yo Looking for Men, Women or Groups Pittsfield, Massachusetts, United States Naughtyhotwife76 35yo Pittsburgh, Pennsylvania, United States secretsub24 23yo Looking for Men or Groups Ossining, New York, United States 5fdpgal 26yo Malvern, Arkansas, United States stlblonde4fun 37yo Saint Louis, Missouri, United States LexiFW 28yo Looking for Men, Women, Couples (2 women), Groups or TS/TV/TG Fort Wayne, Indiana, United States truckgabx 21yo Walters, Oklahoma, United States