The tablet's high-resolution screen will make for bulkier downloads and maxed-out data plans.
The trick could reduce the carbon emissions and energy usage associated with recycling paper.
A new process uses a high-energy ion accelerator to make thin silicon solar cells.
Research software from Microsoft synthesizes speech in a foreign language, but in a voice that sounds like yours.
What’s a tweet worth? The Web is redefining what’s valuable and letting people create personal wealth in surprising new ways.
In a new book, author David Wolman argues that cash costs society far more than we think it does.
A few countries have scaled back in response to the disaster, but many others are building or planning new nuclear reactors.
Improved materials could make solar-thermal power cheaper, and energy storage easier.
Despite losing over $250 million last year, the company remains optimistic.
The CEO of Dropbox explains why simplicity is so hard to achieve.
Large patches of an extremely strong new adhesive, inspired by geckos, can be used over and over again.
Reactors must be able to handle the worst if we hope to prevent a repeat of last year's meltdowns.
Every January, up to 150,000 people swarm the Consumer Electronics Show in Las Vegas, where they mainly see salesmen and models touting slick gadgets under bright lights. Most visitors miss the surprises that can be found in a plain corner called the “International Gateway,” where manufacturers from Asia display unglamorous components and offbeat items.
Photographs by Gregg Segal
With its new iPad, Apple focuses on a better screen and high-speed connectivity to stay ahead of competitors.
Virdia plans to make cheap sugars from wood chips, tackling the industry's greatest challenge.
A cluster of the devices can replace the transmitters atop a typical cell tower.
The processors in smart phones and tablets leak radio signals that betray the encryption keys used to protect sensitive data.
A Technology Review Special Report focusing on innovations in alternative energy sources and the technologies driving them.
Who are the best young innovators from around the world? We're taking nominations for the 2012 edition of the TR35.
Africa's technology community will thrive only by facing up to the continent's fundamental problems.
By Harry Perry and Harold Berkson
The production of energy creates a host of by-products. Our success in dealing with them depends on converting them from wastes to resources - a task on which we have made but a small beginning.
Our list of the 50 most innovative companies, including the following: