If I were to purchase one of these, does it play that annoying music while it's in operation?
@evil-mad-scientist
9 жыл бұрын
+Bobbie Bees Sorry, no option for built-in music. :)
@CapsAdmin
8 жыл бұрын
+Evil Mad Scientist would be funny to see a futuristic pinball themed one though
@evil-mad-scientist
8 жыл бұрын
+Arthur Kimm Let's see it!
@lordsqueak
8 жыл бұрын
+Bobbie Bees That's the Evil part of evil mad scientist I guess.
@Badcrow7713
8 жыл бұрын
+Arthur Kimm Are you 8 years old and made something more amazing than this? (Your upload videos) Where's the link?
@carmelpule6954
8 жыл бұрын
Sir, may I offer my congratulations at the manner in which you came up with the contour logic which process the multiplication function. Beautiful contour design. I love the manner in which the three distributors binary bits create the four paths to service the four digits in the number stored in the memory register , and those holes, to reject the ball if the digit is Zero. The manner in which the contours around the number stored in the multiplier quotient are routed such that the "rejected balls" would count the quotient where each rejected ball triggers the distributor is fascination to behold. I made counters and adding machines, but never anything as "brainy" this. Again Congratulations.
@claytoncoe838
7 жыл бұрын
At $349, this is one of the most expensive calculators that I have ever seen.
@dkstruska
6 жыл бұрын
But at least it's lightning fast...
@LisaMiza
9 жыл бұрын
So it's a wooden binary calculator?
@evil-mad-scientist
12 жыл бұрын
It costs a *lot* to make this version. As we've said right up front, we're working on a lower cost plastic version. (We released this version because a number of folks wrote to us and said that they'd rather have the CNC-cut wooden version even though they knew it would cost a lot more.)
@212superdude212
8 жыл бұрын
That's really cool. It would be a fun device to teach students about binary data!
@antMANscochiey
8 жыл бұрын
Brilliant system. Really well done.
@Kris_at_WhiteOaksFarm
8 жыл бұрын
Well, I'm still four years late, but ya know, I vaguely remember having a plastic version of this too. Way back in the sixties. I remember having quite a bit of fun setting it up for a calculation and getting the right answer... Memories, they're a good thing! Thank you! I guess you can tell, I'm getting old. You're only as old a you let yourself be though, so I'm not too old!
@TheSphongleface
9 жыл бұрын
You're telling me I can have a WOODEN PC some day?? Damn
@DevinBeta
9 жыл бұрын
TheSphongleface Not only that, but it's run by marbles!
@TheSphongleface
9 жыл бұрын
Haha, are you saying it would use marbles for pixels if I wanted a screen?
@DevinBeta
9 жыл бұрын
If you mean that clear ones that have colored marbles behind them that roll when color needs to be changed, then Hell yeah!
@dhavalbhalara1664
7 жыл бұрын
Can this "COMPUTER" become self-aware and destroy humanity?
@windelloskay2476
7 жыл бұрын
I can't rule it out with certainty, but the video is about five years old and it hasn't done so thus far.
@Banzybanz
5 жыл бұрын
It's a computer. No need to put that in quotes. The computer you might use at home is no different, just the switches are much much much smaller and it uses electrons instead of marbles.
@georgemaragos2378
4 жыл бұрын
Maybe if it looses its marbels
@mybooboo0
11 жыл бұрын
Placed my order. The DigiComp II is a significant teaching tool and won't change with time. The interest of those in this forum already proves this point. Makes most sense to have plastic model for the masses, but for the more serious crowd, this machined wood version, and even an aluminum plate version will have an audience. The built quality and engineering is top notch, so the working parts offer additional level of detail as conversation piece. Patiently awaiting my unit...
@CobySmolens
4 жыл бұрын
My dad first gave me "Dr. Nim" (a version of the "Nim" game, based on the Digi-Comp series) back in the mid sixties, then blew me away a couple years later by giving me Digi-Comp II. I don't know exactly what was on his mind, except that he was jazzed by cool kit; and it would make a fun DIY project (it was a build-it-yourself kit with what seemed like a gagillion pieces, as I recall... I would love have one again - maybe it's time to get the plans...
@PugCuber
Жыл бұрын
I haven’t seen this video in years. I would’ve loved to be able to try one of these back in its hay day.
@bonbonpony
8 жыл бұрын
The multiplication algorithm isn't very efficient and doesn't scale well, because the bigger the number, the longer it takes to multiply by it (the computer needs to do that many additions, so, for example, multiplying by 7 requires 7 additions). A better approach is to "shift & add": for each bit set in the multiplier, you shift the multiplicand by this bit's position number and add up to the accumulator. This requires no more multiplications than the number of bits of the multiplier register (worst case; usually it takes much less, because it adds only for the bits which are actually set). This makes me wonder if it could be possible to modify this machine to use this algorithm for multiplication instead. But it would require a *shift register* for the multiplicand, and some way to control it by the bits of the multiplier register. Any ideas about how such a shift register could be implemented? Another problem with this computer is that it adds the numbers one bit at a time, due to the clock mechanism, which can release only one ball at a time. A better approach would be to use more balls released at once, which could go in parallel through these bits at one machine cycle. Still another problem is that the machine cannot "program itself": the user needs to input the numbers and select the mode of its operation by hand every time before running the computer. The result of one computation cannot be automatically loaded to the input registers to be able to be used in another (subsequent) computation. That's because the state of the flip-flops cannot be "read", and there is no "feedback loop" between the output and the input. But there is one advantage of this machine over other marble calculators I've seen so far: it doesn't use the marbles for _storing_ information, only for _transmitting_ it and _driving_ the mechanisms. This way is better, because if a marble is used for storing information, it can be used only once (single-read memory), and afterwards the information is lost, because the marble needs to go out from the register when it is being read. One cannot "copy" information that way, to make a multiple-read memory. In this approach, on the other hand, the register can be read as many times as we please, as long as the switch stays at the same position (blocking, or allowing the marbles to go through it). I wonder, though, how could we merge the two mechanisms: the flip-flops and the "program" switches (which cannot move on themselves) so that they could be set/cleared by the marbles themselves and then to be read out multiple times by another marbles without changing their state. The change of state should be done only when we want it, on "write" / "update" signal, but not on the "read" signal. Any ideas?
@Badcrow7713
8 жыл бұрын
+Bon Bon Maybe with some kind of computer... lol
@bonbonpony
8 жыл бұрын
Miah Elf Yeah, sounds so simple if you already have one made by someone else... I wonder what would you do when on a deserted island with no computers and electricity around ;) and the only thing you could use for calculations were coconuts and palm wood. Would you be smart enough to build a full-blown arithmetic-logic unit out of coconuts? ;J
@Badcrow7713
8 жыл бұрын
Bon Bon Wtf am I doing math on an island for again? hahaha
@bonbonpony
8 жыл бұрын
Miah Elf Yeah, because ending up on a deserted island is a barrel of laugh... Why one would need math on a deserted island? Well... for counting days and calculating what year it is, or to calculate your position according to the positions of stars to find out where the hell the island is, or to make some calculations for another devices you try to build, e.g. a radio transceiver to send an S.O.S. signal and get the hell outta there? Or you can just sit there and wank all day long to the rest of your life... It's your life anyway...
@AbsolutelyNoOne9
8 жыл бұрын
It still solved it faster than I did.
@walikai
8 жыл бұрын
Now use floating levers connected to the binary output to add the sum and plot it on a ruler.
@JohnL90808
8 жыл бұрын
This is a good demonstration of a finite-state machine.
@CoinHuntingDrew
10 жыл бұрын
My dad owns the real, original one. We bought it at a flea market for just 10$. No idea how much it is worth since there doesn't seem to be much of a market for them. Still gotta fix up a few pieces of it though, doesn't fully work. Any idea?
@windelloskay2476
10 жыл бұрын
I've seen them go for as much as $700 on eBay, even not fully working.
@CoinHuntingDrew
10 жыл бұрын
Interesting, I haven't seen them at all on ebay! We've owned it for several years now.
@Zayle_
8 жыл бұрын
Cool, but does it play solitaire?
@nevanmasterson46
6 жыл бұрын
Does it blend?
@evil-mad-scientist
12 жыл бұрын
The base goal is to get below $112, the inflation-adjusted cost of the original 1960's model. That's realistic for a sturdy, well-made plastic version and still about $600 less than originals sell for, these days. If we made it as flimsy as the original, it could cost as little as half of that; we have many tradeoffs to consider in terms of quality versus cost. As for the time estimate, pick any two: Fast, Good, Cheap.
@phunmaster2000
12 жыл бұрын
are there any predictions pertaining to the cost of the new version? I remember reading on the website that this plastic version will be released in late 2013. I don't know much about the manufacturing business but why does it that that long?
@larryscott3982
7 жыл бұрын
A very good, very big IC chip. Shows how to build if-then-else statements, I want one. At first I thought that the number of balls was an input. Cool.
@Palifiox
8 жыл бұрын
Sir, I congratulate you on your demonically clever machine. Many moons ago, we half considered a similar machine in which logic gates were water valves controlled by hydraulic pressure, but the cost of the valves put the idea out of contention. Rent and mortgages, you know the score.
@politicallyinaccuratetoast4757
4 жыл бұрын
This is a replica of the original digi comp that was from the 80s or 90s Though it is clever
@ethanholter
8 жыл бұрын
its the worlds slowest calculator. at least its faster than the ones in minecraft
@bonbonpony
8 жыл бұрын
+Ethan Holter Sometimes this speed of calculation is enough, if it could calculate for you when you can work on something else in the meantime and when you don't need to know the result immediately. Otherwise, you would have to perform these calculations yourself, wasting your time. (Yeah, for small numbers it might seem pointless, but expand it to 64 bits or more and the benefits start to grow ;) ).
@ethanholter
8 жыл бұрын
+Bon Bon you have a good point
@bonbonpony
8 жыл бұрын
+Ethan Holter Also this machine isn't the best one we could come up with. This particular multiplication algorithm is not very time-efficient, because the bigger the number you want to multiply, the longer it takes to do it (the computer needs to add the memory register to accumulator that many times). This could be done faster if we could "shift & add" the memory register instead: for each bit set in the multiplier, shift the memory register left to the position of that bit and then add the memory register to the accumulator. This would require a maximum of B additions, where B is the number of bits of the multiplier register. (But this is a worst-case: normally it would take less additions, because it adds only for each bit actually set in the multiplier.) Currently I'm thinking on how to improve this machine to be able to do that.
@Fricious
8 жыл бұрын
fuck you
@bonbonpony
8 жыл бұрын
LizardOnATrain & Fricious : confused pony face
@SIGSEGV1337
3 жыл бұрын
I wonder what it would take to go even further and have it run programs from memory
@larrysj
8 жыл бұрын
Very excellent demonstration!
@sy_ty_try7431
4 жыл бұрын
how do i still find this old stuff?
@567legodude
11 жыл бұрын
I do want this to get done pretty fast, but I do have to say, I want it to be 75% Good, 20% Cheap, and 5% Fast. Because good quality is better than anything.
@ryancritchlow1566
6 жыл бұрын
I'm supposed to be revising. How did I get here.
@VilleRuokonen
8 жыл бұрын
TOO MANY DRUM MACHINES IN THE SONG GODDAMN
@darkshadowsx5949
6 жыл бұрын
Music* a song has vocals.
@ZakFarley
8 жыл бұрын
How do I get my brain to work in a way that will allow me to invent stuff like this?
@television1088
7 жыл бұрын
I want to see the other operations. And I wonder how easy it would be to add addition to this?
@windelloskay2476
7 жыл бұрын
We don't have videos of the other operations, but you can read the user guide. Addition can be done at the same time as multiplication: The operation is essentially this: Accumulator = Accumulator + (Memory Register X Multiplier Register). If you set the value of the Multiplier Register to 1, then it performs simple addition.
@davidbethke5463
6 жыл бұрын
This reminds me of the old Amazing Dr Nim game.
@RagShop1
6 жыл бұрын
Not coincidentally, that was also invented by the "late" ESR company which designed the original 1960s Digi-Comp 2.
@ferenckarvak
8 жыл бұрын
how can i OC it? :)
@Yonkage
8 жыл бұрын
+Karvák Ferenc Grease the tracks so the balls roll faster?
@ferenckarvak
8 жыл бұрын
Yonkage increasing wolrd gravity! or send this calculator to jupiter
@skylerlehmkuhl135
8 жыл бұрын
+Karvák Ferenc Put it in a centrifuge to increase force on balls.
@evil-mad-scientist
8 жыл бұрын
+Karvák Ferenc Increasing the tilt angle will make the balls roll faster. Also, you can multithread it by pulling the start lever more than once-- although not all operations are thread safe.
@Mystery207
6 жыл бұрын
Now if we could just shrink that down to pocket size. Wait? What! I see what you did there😜😋
@jush5390
6 жыл бұрын
just think of it: there are thousands of these inside a computer
@The_Epicness9000
6 жыл бұрын
Music?
@Blue_
10 жыл бұрын
Mind=Blown.
@gerardsmith9335
8 жыл бұрын
i got high before i watched so i am soooo Lost now LOLOLOL
@gamedevsa
6 жыл бұрын
awesome, great for educational purposes.
@jeffreynelson2660
9 жыл бұрын
I would love to have one, are they for sale?
@evil-mad-scientist
9 жыл бұрын
Jeffrey Nelson yes!
@jeffreynelson2660
9 жыл бұрын
Evil Mad Scientist And where can it be bought?
@abandonedchannel2002
8 жыл бұрын
+Jeffrey Nelson Check the site in the description
@vipulsharma6702
8 жыл бұрын
in which country do you live
@ThePiGuy24
7 жыл бұрын
I want one badly.
@thegamingtoad2996
6 жыл бұрын
ThePiGuy24 Gaming me 2
@antiprismatic
8 жыл бұрын
What's the music?
@567legodude
11 жыл бұрын
Just giving an idea but, do you think you could "sell" the instructions so people could make this themselves. You guys would still get some money from it. It's just an idea.
@n00dle_ow
8 жыл бұрын
That is really cool.
@eumemo1092
6 жыл бұрын
cool but, can it run crisis???
@crusherolies8195
8 жыл бұрын
people need to watch things like this to understand how things like the Antikethera(spelling bad) mechanism was made. when you know nothing about it it looks like a silly toy, when you see that its set up and you have to learn how to read it a special way to use it you see how painstaking calculatons went into the creation of the device, and it has specific limits.
@matthewgregory4616
6 жыл бұрын
Can it play crysis?
@emissarygw2264
5 жыл бұрын
Can this be used to cheat on tests?
@evil-mad-scientist
5 жыл бұрын
If you can find a way, I'm sure that everyone will be very impressed.
@mroonk_
8 жыл бұрын
slowest calculator ever
@what42pizza
8 жыл бұрын
But it's extremely impressive considering it's just a marble track
@politicallyinaccuratetoast4757
4 жыл бұрын
I sense jealousy
@Aang10081992
8 жыл бұрын
Can someone explain this? My mind think this was a game.
@jay65h78
6 жыл бұрын
Bring this to a math exam and see who fails
@politicallyinaccuratetoast4757
4 жыл бұрын
You would still be on question one after every hands their tests in
@johankoelman2996
8 жыл бұрын
Bon bon, I am working on a marble computer that will do the shift and add method. My computer uses a whole other method of setting the bits to on or off.
@Lukas99g
6 жыл бұрын
This reminds me of that dr. Nim game...
@evil-mad-scientist
6 жыл бұрын
They're closely related: The Digi-Comp II and Dr Nim were both described in the same patent application.
@litoboy5
12 жыл бұрын
amazing !!!
@moth.monster
8 жыл бұрын
I want one...
@guochaoping
6 жыл бұрын
impressive.
@Bumblebreeze
12 жыл бұрын
Nergasm. That's awesome
@martonnemeth236
7 жыл бұрын
so cool!
@mosab643
8 жыл бұрын
amaaaaazoooooooooooong!!!!
@fburton8
6 жыл бұрын
How is that even possible??
@TomHarrisP
5 жыл бұрын
can it mine cryptocurrency?
@evil-mad-scientist
5 жыл бұрын
Gonna guess that it's not the most efficient method for doing so.
@Steamed0001
8 жыл бұрын
Like nummer 1000
@darkshadowsx5949
6 жыл бұрын
music doesn't fit well. maybe techno would be suitable since its computer logic related.
@sonicase
12 жыл бұрын
nice
@debblez
6 жыл бұрын
Digicomp *TWO*...... first edition
@evil-mad-scientist
6 жыл бұрын
This is a replica of a thing called the Digi-Comp II. (There is also a Digi-Comp I.)
Imagine disliking someone's hard work because you didn't like the music being played during the demonstration, gee, a person who did that would be a true douchebag
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