Tag Archives: ideas

Thoughts

A rule of thumb to help you avoid accidents

So many traffic accidents happen when we don’t keep our proper distance from the cars in front of us. Here’s a simple equation to help you do just that:

Distance (in car lengths) = (Speed/10) – 1

Let me explain it. Say you’re going along at 20 mph — the distance between your car and that in front of you should be 1 car length. If you’re going along at 40 mph — the distance between your car and that in front of you should be 3 car lengths. Obviously, the formula given above is no good at speeds below 10 mph, so use your judgment there. I try to leave half a car-length to 1 car length between my car and someone in front of me, even if my speed is fairly low. I never know when they could brake suddenly. People’s actions can’t be predicted, and it’s best to have a little room for error in our calculations and reflexes.

I would go further and add an additional car length to that distance — in other words, modify the equation as follows, if you’re older and have problems seeing, if it’s dark, or if it’s rainy or foggy.

Distance (in car lengths) = (Speed/10)

If it’s snowing or it’s icy on the roads, by all means, drive slower and keep as far away from the car in front of you as you can. There’s no way to approximate distances in those situations. You never know just how your car will behave when you brake. Just hope you don’t have to brake on a particularly icy portion of the road, because you’ll skid all over the place, and chances are you’ll hit something.

MINI Cooper S on snowy country road

One additional word of advice. If you’re going to drive through snow, sleet or ice, make sure you’ve either got winter tires on your car, or you’ve got good all-season tires that aren’t worn out. And be sure that your brakes are in good working condition.

I don’t claim to be a traffic safety expert, so don’t think this rule of thumb is written in stone. See how my advice will work for you, and let me know if you think my equations need some adjustments. The idea is to keep the math simple so that everyone can understand and benefit from this.

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Thoughts

Solid State Disks aimed at wrong market segment

People are making a big to-do about Solid State Disks (SSDs) like this one. While I agree a 128GB size is impressive for SATA-connected flash memory, they shouldn’t be marketed as replacements for regular laptop hard drives. Yes, I think HD damage due to drops is a valid reason to try and use SSDs, but they’re still flash memory: they have an inherently limited number of uses before they die. Hard drives last longer, especially ones made nowadays. They can handle more read/write cycles. And, the biggest thing of all, they more capacity, especially with perpendicular bit storage.

You know where I think SSDs would work great? As secondary storage in addition to a regular hard drive. They could figure as a secondary drive on laptops or desktops, and be used for storage of all sorts of things that don’t need to be stored on the drive itself or that get fragmented quickly, like the page file, or the scratch disk in Photoshop. They could also be used to hold all of the temp files that the operating system generates. While you’re working on a file, say a Word document, the OS should store it automatically on the SSD, then transfer the saved document to the hard drive when you hit Save. Things like this could really help cut down on the HD fragmentation.

The SSDs could also be used to store vital OS files that are needed for boot-up (as was suggested a couple of years back, when flash storage was still too expensive and small). That way, computers could potentially start up instantly. The regular files would be stored on the HD, of course. But to say SSDs are hard drive replacements is a stretch. Their application as such, while suited for certain environments and laptops like the Panasonic Toughbooks, military equipment, or media players like the iPod, is ill-suited for regular laptops and computers, where storage needs are growing exponentially.

We should really focus our efforts on developing bigger, quieter hard drives for laptops and desktops, not on replacing them with expensive flash memory of unproven long-term reliability.

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Thoughts

Taking foolproof photos

We read about software that can improve blurry photos these days, and about significant improvements to autofocus on even inexpensive cameras. We look at photos that we take, the washed out ones, and wish we’d have exposed them a little less, or a little more. We wonder how they can be improved.

My solution points to bracketing. This is a current feature on one of my digital cameras, the Panasonic Lumix FZ20. When switched on, it will take three photos with three different exposure times (high, medium and low). I only press the shutter button once, and get three photos from which I pick the best one. Of course, this series of photos can also be used to get high dynamic range (HDR) photographs through manipulation, but the point is, the consumer only needs to press the shutter once. That’s the key.

I believe eventually we’ll see cameras that integrate bracketing into every photo. They’ll not only vary exposure times but also focus. The process will be seamless to us. We’ll press the shutter button once, the camera will only seemingly take one photo, but when we get home and download the photos to our computer, our camera software will allow us to use slider controls to adjust the focus and exposure without damage to the photograph’s quality. We’ll be able to bring different elements in and out of focus, and make the photo brighter or darker, just as we please.

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Thoughts

Minuscule headset powered by novel battery

I was in my car, driving back from lunch, when I got a call on my cellphone. I’m holding out on buying a Bluetooth headset, because they look ridiculous. So I still have to answer the phone the “old fashioned” way, by flipping it open and pressing Speakerphone. I know, what tough luck… But I realized that these wireless/Bluetooth headsets could be made really tiny, and could fit in the ear, if the battery could be made really small. Sure, it’d be a hassle to change the battery, but what if you didn’t have to? What if the battery charged itself? How could that happen? Well, let’s look at three existing technologies on the market today:

  1. “Perpetual motion” watches: you know, the kind that charge themselves from the movement/agitation of your hand. They’ve been around for a while.
  2. Microphones: both dynamic and condenser types… They use a vibrating wand or membrane to generate an electrical signal. They’ve also been around for a while.
  3. The balance pebbles inside your inner ear: okay, this is more like biological technology, but I do find it interesting that they can move and touch nerve sensors, generating electrical impulses that tell your body how to balance itself.

Given these three very interesting methods of generating energy or electrical impulses, why can’t we make a really tiny battery that can charge itself from the movement of our body, our body heat, or the vibrations caused by our voice? We could be charging the battery as we speak, as we move, etc.

This sort of battery could be used in a tiny headset that could be placed in the ear, or in some other fashion, but the point is, it would be really small, almost unnoticeable. I wouldn’t look like a geek, with a big Bluetooth headset strapped to my ear, a menacing blue light flashing on it, as if I were an android. I’m sure many of you share my feelings here. Instead, I would use a small device, no bigger than the tip of my small finger, or even smaller, that could go inside the ear, or hook right outside the ear canal with a thin wire that goes behind my ear. It would let ambient noise pass through unchanged, but would block it when I’d be using my cellphone.

Wouldn’t this be cool?

Are you interested in using this idea? Then please see my rules about using it.

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Thoughts

A novel way to search music or movie files

I was in the bathroom, whistling a tune I’d heard in a movie last night (“Anchors Aweigh”, with Gene Kelly and Frank Sinatra,) and wishing I could find out its title, when it occurred to me. Why shouldn’t I be able to search for it?

I should be able to whistle that tune into my computer’s microphone, and have it search the audio and video files on my computer for similar sound patterns. It wouldn’t have to give me an exact match, a few possible matches would be fine. A desktop search engine, like Spotlight, or the Google Search Engine, or the Microsoft/Yahoo flavors, or whatever, brand isn’t important here, could index sound files for sound patterns – in its most basic form, it would search for inflections, and could then expand to more complex characteristics such as pitch, tone, timbre, human/instrument, etc. Wouldn’t this be an amazing thing?

Similarly, this could be expanded to movies. I could speak a phrase I remember from a movie into the microphone, and it would then search my movie files and find the movie and scene where that phrase is spoken. I know this is probably more difficult than a simple inflection in a sound file, but it is possible.

Just brainstorming… a possible offshoot could be searching movie scenes based on descriptions such as: male character dressed in a white shirt and grey pants, black shoes, hair parted from the right, in his 50’s, holding onto the side of Mt. Rushmore, bad guy stepping on his hand. This isn’t hard, it’s… Cary Grant in “North by Northwest”. The computer should be able to do that, too. I realize this may be some years away, but again, I think it’s possible.

Realizing that most people haven’t got extensive movie and music libraries, and sometimes the things they want to find aren’t on their computers, an Internet site could be set up with a large library of movie and music files. People could then whistle a tune into their microphones while they’re on the site, and could search its extensive library for the song where that snippet is found. They could choose to purchase that file afterwards. In a similar fashion, they could do all these other things I’m talking about here, eventually. Wouldn’t this be an amazing use of processing power? I for one look forward to this!

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