Futuristic Things That Should Be Invented

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How about a bit of dye on the roll that seeps into the last few layers? You could do this yourself by folding the cardboard in, and applying magic marker. I usually notice without that, but one of the bigwigs on the Manhattan project used to find his office by dragging his fingernails along the hall, and counting doors.

What I'd like to see in the next hour of future is a way to cut out the background music in narrated videos. The boffins have been tinkering away again, and found that stupid electronic music can trick us into thinking we are not bored enough to push a button. Even better would be an automatic volume control on my choice of music.

here IS a way to do that in real time, the technology was pioneered by a company called ADX. unfortunately they have not seen to make it available to the youtube people and such. it is a variant of spectral source subtraction which for the last decade or so has been used to restore/remaster old movie soundtracks, extracting multiple clean channels out of the original monophonic.

AHA! What we REALLY need is a way to get the best technology widely available. I've been getting banner ads for a service to correct my grammar per page, but I had a better system running on DOS. I used to have a nice MP3 player, but I can't get that, or a wired Indoor-Outdoor thermometer any longer.

google automatically corrects my bloopers and poor spellings, i wonder how much more brains it needs to fix my grammar and syntax?

Getting to, too, and two correct is rare for a robot, while there and their are confusing for a lot of meat. Grammatik on DOS was flawless at those, as well as lots of other editorial duties such as suggesting shorter sentences and other improvements. All it lacked was a sense of style, and relevance, so I got to specialize in what I enjoy. It could not have been too much code, as it ran from a floppy disk.

[coming from somebody who is utterly un-techy] if you still have the DOS disk, could you somehow "jailbreak" it and recode into something which runs on modern systems?

^^ I think the usual procedure is to have a new box emulate DOS, but setting it up is beyond me. When I get basic functions, I quit tinkering on electronics. DOS had the fastest word processor, too.

Rubber tires that can be easily installed on all those cheap hard plastic wheels on children's strollers and toys to get rid of the constant loud rumbling on pavement.

A DIY jigsaw that can actually cut a straight line.

A saw which is designed to turn will not self-guide for straight, but I get reasonable results using a straight edge for a guide. It may also help to use a scrolling model, so that it will have less tendency to wander from imprecision and lack of rigidity. Sharp blades also help.

New blade, new blade guide and straight edge....still cannot get anything remotely close to a straight cut. I've had the blade wander almost 3/8 inch from the line I'm cutting despite the guide marks being on the line! They're the shopping trolley of the powertool world!

^^ What model saw, blade, and material?

Mood-control glands that can be conciously controlled , like in Iain M Banks' Culture novels.

hair that can be planted on bald folks [who want the hair] like chia, that is durable. furthermore, hair that can change colors and become curly or straight.

A coarse jigsaw blade is angled forward at the tip, in order to clear sawdust and feed in faster. This can lead to instability, and the blade being bent away from vertical. You are supposed to notice this, and if the wandering becomes more than your own ability to follow a line, you ditch the straightedge which is forcing the blade to bend. Any wear or looseness will make it easy for the blade to go wrong.
Shopping trolleys also work fine if they are maintained.