
All gadgets have to go through a concept stage at one point or another, but some designs are just ahead of their time and don’t ever make it to prototyping. Click here to see forty-two of those examples.

All gadgets have to go through a concept stage at one point or another, but some designs are just ahead of their time and don’t ever make it to prototyping. Click here to see forty-two of those examples.

All gadgets have to go through a concept stage at one point or another, but some designs are just ahead of their time and don’t ever make it to prototyping. Click here to see forty-two of those examples.