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So I'm happy to introduce Dosher.
She's a media artist from Canada
originally, I think, and she works at
Powerhouse University, um,
and she's done various exhibitions
as I read an Oxford bill in Montreal.
Right. And basically, you're very famous
for a lecture series called A Man.
Five Thousand.
Yeah, right. World's oldest commercially
available drum machine.
That's pretty impressive.
So today
she will attempt to build 20 sound
generating square waves in 20
minutes. So enjoy
it and give a warm welcome to Dasha.
OK.
Hi,
has anybody built electronics
before?
Has anybody built electronics
in front of this? Many people before.
Yeah. So
you better be fucking nice.
We need some magic on the screen
here. Oh,
my wonderful assistant here.
My other wonderful assistant here, who I
had to put googly eyes, googly eyes on
to make me feel safe, and
so I am going to try to
build a series
of square wave oscillators.
Oh, shit.
OK, I need help with time.
Right, because I'm supposed to do this in
20 minutes.
So even while I start here, I need some
help. Who has a hand?
Who has a phone here.
Who's got a phone? People.
OK.
And do you have a phone that has a timer
on it?
Oh, you have a timer.
OK, where are my students from?
Castle.
Whoa. You guys have a job to do.
Here's your homework.
You have to time me.
You have to start 20 for 20 minutes.
OK.
OK, tell me when is that pizza.
OK, tell me when.
All you see here, these capacities that
are here. Oh, my God, it looks awesome.
OK, I'm not these capacitors
are just like what?
I'm I'm connecting the outputs.
OK, so just like don't think I'm
cheating.
It's just the speakers, essentially.
OK, so tell me when to go, buddy.
OK.
OK,
ok. I have some power there.
Don't don't forget to let to
remind me to put power on the other
boards. OK.
Square waves are really
good for your speakers.
Because of that, at least
there's some sound
guys.
Oh, my God.
Please.
OK, that's one square
vacillator.
OK, FETs.
What's my time?
OK, I'm
I'm still doing OK here,
OK? More power is needed on
this one. I'm shaking.
Does anybody have any jokes?
No.
I'm actually like, this is fucking hot.
It's too much.
Um, yeah.
Does anybody have any questions for me?
I might take a little longer than
expected. So if we want to do question
period right now, I'd be happy.
It takes my mind off of things.
We don't have questions, but we have
translations available.
You just need to dial.
Eighty 14.
Great.
You're welcome.
Oh, man.
OK, did I get all my batteries in here
yet?
Do you guys like the sound of your heart?
Yeah, me, too. I don't know.
OK, that's kind of a promising sound.
Who's building electronics while they're
here?
We're funny in here.
OK.
That one is not oh.
OK, yes.
There's some extra stuff going on there
that sounds cool.
Um, sometimes
I don't always know what to expect from
these things, um, but I'm usually just
happy when some sounds are being made.
So it's good.
Do we have any Norwegians in the crowd?
Oh, no, people from Norway.
My first ever festival was People
Festival in Bergen and
Awesome Art Hacker Festival.
Did I already say what ship I was using
here?
My students know.
Is he?
Say it louder,
the five five five timer.
Yeah,
everybody's favorite chip, right?
OK, that's the sound
of three oscillators.
We're doing OK.
What time?
OK, good work.
Did I already tell you about how excited
I got when, um,
uh, Tomic told me that I was going to get
a headset for this
performance because, like, I was really
envisioning a Madonna kind of thing,
but it's like it's more like this
weird TED talk thing.
I don't know if you guys have ever looked
at this thing up close.
It's like really bizarre, but it seems to
be working. Right. Right.
OK, yeah. OK, good.
Do I have any questions yet?
What are you doing?
I'm building, um.
This.
There
you do.
OK, so that's four people.
Not bad, right?
Thank you.
Positive encouragement goes
a long way.
But come on, you guys have questions, I'm
sure.
Why Square was the reason
I like square waves because
they're not fancy.
You know, they just do one thing.
They either make your speaker a
con go out or back in.
And I like the limitations of that.
I like to think that I just need, like,
something that's really straightforward
in and out.
And I have to work
with the acoustics and everything to
make it sound cool.
OK, and.
Oh, yeah, I should wear nail
polish if it's.
If you have questions, you can already
line up on the microphones, go ahead
of people, get on the mic.
Do you want to ask me about duty cycle
or whatever is see what
they're all different frequencies.
If we take a look at my little chart
here, I've selected
a series of resistors and capacitors
that start out pretty with
a frequency that makes the oscillations
go kind of slow.
And then as I build up,
they get faster.
And they scared the crap out of me more
and hopefully make you a little bit
excited for my failure
or my win.
Yeah.
Can you add some leidy's?
The answer is yes, you can, because
the output is very
versatile here, OK,
but if somebody wants to come up and
Stefanelli to one of these, they're
totally welcome that.
OK.
What's that noise?
Like this
wait, I'll try to make some weird noise,
that's just the power going into the next
ship and I have to keep like testing
their temperature just to see if they're
getting really hot, because if I cross
wire them, they can explode, which is
also kind of cool.
It's not true.
It's true.
But I've never sustained an injury
so far, um,
my only injury was I was wearing, like
these leggings while I was soldering once
summer fell onto my leg and, like, burned
through my crappy little leggings.
You guys know hijackings are.
Who knows what dragons are,
people, their fake genes.
I don't even know if this is like working
yet. OK, we're hearing stuff.
Are you bored yet, are
you bored?
I'm fine, OK?
Oh, OK, good.
It's
11 minutes left.
Oh, shit, I don't know about this guy.
I just did OK with answering questions.
Yeah.
How do you protect the output from
completely blowing up something?
I don't.
OK, that's always how to do it.
I use some filter caps
and just
hope that you guys have good insurance.
OK, shut up for a bit because I need to
go faster.
I was kind of shocked.
So anybody else I'm talking in here.
Yeah, Tony can represent you,
right? Aw, come on.
Oh, crap, I'm forgetting to ground the.
Do you guys want to hang out a bit
tomorrow and do this together?
Yeah, yeah.
Up here.
Yeah, me too.
It doesn't thank
God.
I don't know, sometimes with this thing,
it's hard to convince people.
I mean, do you guys know what the sweet
spot is? Is there anybody that's really
intense down here, apparently,
like where that guy sitting with the
beard and glasses right there.
That's the.
That's the sweet spot, but
I see, yeah, and right in the middle,
but it's pretty it's, um, sounds pretty
good in here anyway, so.
Yeah.
It's.
No, I don't know.
I should never take questions again while
I'm doing it.
Is it still funny?
OK.
What I'm
sorry, I didn't hear you.
But getting really hot
here.
Hey.
Here's the thing, I'm not actually going
to be able to do 20, but we'll do a
countdown, we just pretend and cheer
me on, right?
OK.
Help, OK?
You want me to help?
OK.
OK, so
this.
What?
The best.
I you
got three.
One minute.
Sixty seconds.
OK, OK.
Yeah, yeah,
it's getting pretty sick
and.
Thirty seconds.
That one.
20 seconds.
Fifty
nine, eight, seven,
six, five.
Three
one.
OK, they're OK.
Something smells really hot on there, but
I think we did 18, thanks to my
other assistant here.
Yeah, thank you very much.
Very nice working
the.
It could be,
yeah, how many
minutes?
Wait a second, so you've already taken
questions, right?
Taking questions you've already
taken you've already taken questions.
I mean, I've taken questions.
No, no, no. If you wanted, you could use
your question time and finish the last
two. OK.
Yeah.
OK, thank you very much.
Thanks.
OK, thanks for the great show,
thanks to my little meter and everything,
you and
I think you probably
just want to leave it at that, right?
I drink a beer.
OK, go drink beer.
Hey, you got to make sure it doesn't.
Yeah. OK, thank you.
Excellent.
That was excellent audience
participation, I have to say, so we'll
be back with the next talk in 15 minutes.
Until then, have a beer.