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Sloshing Cellphones Reveal Their Contents
holy_calamity writes "UK researchers have developed software that represents a handset's battery life by using a phone's speaker and vibrator to make a device feel and sound like it contains liquid. You give it a shake to find out how much is left. The same technique can be used to represent new messages by simulating balls rattling around inside a box. It runs on recent Nokias with accelerometers; video from the researchers explains it well." What a bizarrely fun idea.
All true, but you can't deny that this is a pretty cool tactile feedback mechanism! More of these great ideas please!
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It sounds fun, but I don't understand how shaking a phone is functionally superior to simply looking at the screen to gauge battery life or messages. Not to mention shaking your expensive mobile device around may not be the smartest idea. Flying wiimotes, anyone?
One of the better methods is to use a coulumb counter that attempts to measure the power put into a battery against the power removed from the battery. See http://www.linear.com/pc/productDetail.jsp?navId=H0,C1,C1003,C1037,C1134,P2354 for a typical device. Even using these, we only seem to be able to approach something that doesn't suck.
One of our devices has a tilt sensor, so I may try to impliment the sloshing sound as well as our normal battery icon on the display.
Don't hate the player, hate the game.
This implementation in-and-of-itself does not really signify any important breakthrough to me. Just a bunch of geeks who took a feature and put a software aspect to it for a unique function. However, this is the second cell-phone shakey article I've seen on Slashdot recently. So, what really matters to me is the meta-content here: adding an accelerometer to a cellphone opens up a lot of functionality on the mobile platform.
Most of our computer humor comes from people trying to apply inappropriate models to understanding the way computers work, thinking they're like cars or household appliances. I've had people ask me if computers need tune-ups, belts changed, etc. And us techs can be dicks about it, too. "Yeah, you dropped that CD and now all the bits shifted to one side. It's going to be unbalanced, like a washing machine. So what you need to do is shake the CD until all the bits get evenly distributed."
Shaking the battery to hear how "full" it is, it's an intuitive approach for someone who knows nothing about technology and makes the geeks laugh, but here they go and make it work. Very, very funny. But this is the sort of thinking that helps make the toys easier to use. More power to 'em.
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This Mahdi took Shaddam's Throne
I have to imagine that any blind user of a cell phone would think this is awesome. No longer do you have to wade through some exchange with a computer to figure out if you have messages; you just shake your cell phone. And figuring out your charge without any need for visual interaction must be useful, too.
Additionally, though, I don't think there is all that much problem with shaking solid-state electronics. The 'Wiimote syndrome' isn't at issue, because you're not trying to control cartoon characters on the screen - and shaking a rattle, say, is a far more sedate activity than swinging a hammer. Unless you're way, way hyper-aggressive.
[Ego]out
My sister-in-law is legally blind and she is always asking how much battery life is left on her phone and how many messages she has. From an accessibility perspective, I think it's a pretty neat idea. Otherwise, it's a useless feature.