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HolidayBuyer's Guide

Charge your phone with lightning

Biking across the Bay

Cube robots swarm and self-assemble

3D-printed toothbrush

Cats and laser beams

Hunter-killer robots to take out the jellyfish

iOS fractals

A blow-up concert hall

Super Mario cat furniture

Death Star soccer ball

Scientists at the UK's University of Southampton have harnessed the power of artificial lightning bolts to charge a Nokia Lumia 925. Nokia Lumia 925, we hereby dub thee "Adam."
Caption by / Photo by Nokia
To prove that biking on water actually floats, Judah Schiller, a San Francisco Bay Area resident, rode across the San Francisco Bay from Oakland to the city last week. On Thursday, he attempted the same feat on the Hudson River, departing from the Pier 13 Boat Club in Hoboken, N.J., and arriving at Pier 66 in Chelsea, N.Y., an estimated 15 minutes later.
Caption by / Photo by AIKO Agency
Robotics researchers at MIT show off the capabilities of small cube-shaped robots with no external moving parts.
Caption by / Photo by MIT
The strange Blizzident 3D-printed toothbrush cleans all of your teeth in one go, promising a 6-second scrub.
Caption by / Photo by Blizzident
Petcube is a smartphone-controlled cube that shoots a spot laser around the room that may or may not interest your pet.
Caption by / Photo by Petcube
This week, one of the world's largest nuclear reactors was sidelined by waves of jellyfish that came out of the sea.

The jellies have since been removed from the Oskarshamn nuclear plant in Sweden, but the threat remains.

What the world needs now, according to Korean scientists, are hunter-killer robots to take out the jellyfish. They've built prototypes that shred the gentle creatures at the rate of 1 ton an hour.
Caption by / Photo by KAIST
A computer-graphics A-team is digging into fractals again with software that's clearly a labor of love. Exploring the Mandelbrot and Julia sets is a spectacular marriage of beauty and math.
Caption by / Photo by Stephen Shankland/CNET
Ark Nova is a blow-up concert hall which inflates to accommodate up to 500 people. The hall will tour various locations in Japan's disaster-struck Northeast, playing host to world-class performances.
Caption by / Photo by Lucerne Festival
Treat your feline friend to a custom playhouse with Super Mario warp tubes and a question box.
Caption by / Photo by CatastrophiCreations
"Star Wars" celebrations are known for offering exclusive merchandise as special lures for attendees. Sometimes, those exclusive items sneak out and become available to the general public. That's what happened with the limited-edition Death Star soccer ball.
Caption by / Photo by ThinkGeek
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