Any object with a simply connected surface can be smoothed out to look like a sphere.

ECONOMIST: Proof of the truth of the Poincar�� conjecture

In this example, the surface is not simply connected and any smoothed-out object looks like a torus with at least one hole.

ECONOMIST: Proof of the truth of the Poincar�� conjecture

Perched atop a pair of active shutter glasses are a couple of miniature LCD projectors, which bounce images from a connected computer onto a special reflective surface at a 120Hz refresh rate.

ENGADGET

Other themes likely to surface at 2011 CES are car technology, connected TVs and connected home appliances, said Oxman.

FORBES: 2011 CES On Track To Beat 2010 Show

Once the wells are completed, they are connected by flexible hoses to a floating production platform on the surface.

FORBES: The delicate art of sucking up

With the touch of a remote, connected tablet or phone, Samsung Smart TV viewers can easily surface content or offers related to the TV shows and commercials they are watching.

ENGADGET: Yahoo and Samsung announce multi-year interactive TV partnership

The Surface keyboard will be part of its Touch Cover, which is connected with magnets and flips open.

CNN: 5 ways Microsoft's Surface may be better than an iPad

Together, we touched the surface of the moon, unlocked the mystery of the atom, connected the world through our own science and our own imaginations.

WHITEHOUSE: REMARKS BY THE PRESIDENT AND FIRST LADY AT A CAMPAIGN EVENT

It had two styli connected to pendulums joined to a wire and could reproduce writing on an electrically conductive surface.

FORBES: Eerily Prescient

Last week we published a list of the twenty most media-connected people in technology, compiled by cross-analyzing the people that journalists and bloggers were following to surface a list of the usual suspects.

FORBES: Tech's Twenty Most Media-Connected Editors And Writers