invention

Rollerblades 1923 -A post shared by 🌎 EarthPix 🌎 (@earthpix)

Posted on

Rollerblades 1923 -A post shared by 🌎 EarthPix 🌎 (@earthpix) https://ift.tt/3mYYMpW esb7, 3000, innovation, invention, oldies

SLU professor creates special mask for singers and speakers

Posted on

SLU professor creates special mask for singers and speakers https://ift.tt/32c4Lk4 professor, SLU, esb7, invention, masks

SLU professor creates special mask for singers and speakers

Posted on

SLU professor creates special mask for singers and speakers https://ift.tt/33MdUjX SLU, Spark, esb7, invention, masks, professor

VocalEase lets masked singers be heard

Posted on

VocalEase lets masked singers be heard https://ift.tt/30J6AEq esb7, innovation, invention, SLU, masks, Spark

A post shared by Futuristic Technology (@world_of_engineering_75)

Posted on

A post shared by Futuristic Technology (@world_of_engineering_75) https://ift.tt/3oZb43h invention, 3d, 3dprinting, manufacturer