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4-minute workout: Too good to be true?

We've seen all manner of exercise equipment but, if this one does anything near what it promises, it's worth every penny of its $14,615 price. The "4-Minute CrossTrainer" claims to live up to its name by packing a 45-minute treadmill workout into just 4 minutes.

Of course, you probably have to subject yourself to something short of medieval torture to accomplish that feat, but exercise is horrible in any form anyway. Range of Motion, which makes this machine, says it exercises 55 percent of the human body's muscles to burning 465 calories, according to … Read more

New Wi-Fi distance record: 382 kilometers

Researcher Ermanno Pietrosemoli has set what appears to be a new record for the longest communication link with Wi-Fi.

Pietrosemoli, president of the Escuela Latinoamerica de Redes (which means networking school of Latin America) established a Wi-Fi link between two computers located in El Aguila and Platillon Mountain, Venezuela. That's a distance of 382 kilometers, or 238 miles. He used technology from Intel, which is concocting its own long-range Wi-Fi equipment, and some off-the-shelf parts. Pietrosemoli gets about 3 megabits per second in each direction on his long-range connections.

Most Wi-Fi signals only go only a few meters before … Read more

Let Navy SEAL gear improve your golf game

The gnomes in the itty-bitty Swiss hamlet of Ibach have come up with yet another Swiss Army essential, the GolfTool. It features 10 tools, including a tee puncher ("for the frozen ground"), a groove cleaner and the perennial toothpick and tweezers. Of special interest is the accompanying range finder;good for up to 1000 meters.

Of course the Crave crew won't settle for that. So we asked ourselves, what would a US Navy SEAL use? Well, that would be the PLRF15C Pocket Laser Range Finder, also by Vectronix. This model, while lacking a toothpick and tweezers, will … Read more