It was five years ago that prosthetics took a very literal step forward when Arizona State University's SPARKy foot offered a more natural walk, capturing the inherent kinetic energy that previously needed a big motor to replicate. Belgium's Vrije Universiteit Brussel may well carry the torch for the next wave of artificial limbs. Its second-generation Ankle Mimicking Prosthetic Foot (AMP-Foot 2.0) uses a pair of force sensors to determine the leg's relative position and let an actuator build energy when the foot bends, locking the power away to use only when the owner pushes off. The efficiency produces all the torque needed to let a 165-pound person walk, but with just a 30W to 60W motor versus SPARKy's 150W -- a big help to battery life that also reduces the AMP-Foot 2.0's weight to that of the fleshy kind. We don't know how likely it is the Belgian prosthesis goes beyond the prototype phase; if we had our way, it would move just as quickly as future wearers undoubtedly will.Permalink | | Email this | Comments
Wednesday, 31 October 2012
Originally posted at Crave
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We know you've got questions, and if you're brave enough to ask the world for answers, then here's the outlet to do so. This week's Ask Engadget inquiry is from Michael, who is suffering from a storage crunch. If you're looking to ask one of your own, drop us a line at ask [at] engadget [dawt] com.
"I'm a bargain-basement kinda guy, and I've picked up lots of DVDs cheaply during the sale season(s). I was planning to rip my collection with Handbrake so I could watch them on my iPad, but my 1TB HDD is already close to being maxed out! Is there a better solution out there than just buying a 2TB HDD now, waiting a year and buying a 3TB HDD when the prices come down? Is there a cheap RAID-style system that plays nicely with my iTunes? Please help!"
- You can pick up a standalone 3TB external HDD for between $150 and $200,
- Or you could take the leap and set up an iTunes home server, perhaps using the cheapest Synology DiskStation, which is $200 plus the cost of the drives. That way you can get a 4TB iTunes server for just under $400.
- You could also snag a Drobo that'll give you the same storage options with significantly increased expandability, up to 16TB in the future.
That said, perhaps our friendly readers know a way to tame this man's ever growing media collection, so if you've already set up your own system, why not share your knowledge in the comments below?Permalink | | Email this | Comments