The annals of tech history are littered with gadgets that arrived DOA at retail, but some of the most promising devices were actually concepts that never even made it out the door.

But then there are some concept gadgets that are really only concept, and not useful whatsoever. Technology and design is all about innovation and pushing new ideas, and we'd never get anywhere ...

A look at some of the concept designs for futuristic gadgets that NEC is working on, like the WACCA (pictured at right), a bracelet/wearable video camera ...

Here are our favorite gadgets and concepts from MWC 2025. A solar-powered Jedi robe. Mobile-accessories company Anker has a ...

CES concept gadgets range from robotic balls you control with your phone, home theaters for your head, and bendable displays. By Albert Filice. Jan 6, 2011 6:02 pm PST.

How PowerPot Works. The PowerPot is an innovative device that harnesses the power of thermoelectric technology to generate electricity. The concept has three styles to generate different amounts ...

This Milano cookie-sized gadget is called Scrip. It's not real—it's a design concept from New Deal Design—but if it were, you would use it to buy things you'd normally pay for with cash.

The Mercedes AMG Concept GT XX is a groundbreaking electric vehicle that showcases the brand's commitment to pushing the ...

Gadgets are fun, but the future of AI assistants seems destined to be in our phones — not contained in a separate piece of hardware.

Here are our favorite gadgets and concepts from MWC 2025. Here's the body of the Anker Solix concept jacket as it charges a phone. Andrew Lanxon/CNET. A solar-powered Jedi robe.