How to spark your curiosity, scientifically | Nadya Mason
Summary
TLDREn este video, el orador, un físico experimental, explora la desconexión entre nosotros y la tecnología que usamos. Argumenta que, a menudo, nos sentimos alienados de los dispositivos esenciales de nuestra vida debido a su complejidad. Propone que, a través de experimentos prácticos, podemos reconectar con nuestros dispositivos y mejorar nuestra comprensión y bienestar. El orador comparte ejemplos de experimentos sencillos, como el funcionamiento de una pantalla táctil y la magnetismo, para ilustrar cómo la experimentación mejora nuestra conexión con el mundo físico y la tecnología que nos rodea.
Takeaways
- 📱 La mayoría de las personas depende de dispositivos tecnológicos como teléfonos móviles, pero no saben cómo funcionan o cómo repararlos.
- 🔍 Un estudio reveló que el 80% de los usuarios de teléfonos inteligentes nunca han cambiado la batería de su teléfono y el 25% no sabía que era posible.
- 🧪 El orador, que es físico experimental, aboga por hacer más experimentos prácticos para reconectarnos con nuestros dispositivos y comprenderlos mejor.
- 🤲 La experimentación es una forma de conectar nuestros sentidos y nuestras manos con el mundo para descubrir cómo funciona.
- 🔬 Un ejemplo dado es el de un experimento para entender cómo funciona una pantalla táctil, utilizando placas metálicas y una batería.
- 🧤 Al realizar experimentos, podemos descubrir por qué no se puede usar una pantalla táctil con guantes, ya que estos no son conductores.
- 🧠 La experimentación activa más partes del cerebro, mejora la comprensión y la retención, y promueve el bienestar.
- 👨🔬 El orador comparte su experiencia personal de desconexión mental del mundo hasta que descubrió la física básica y comenzó a experimentar.
- 🎓 Con la ayuda de estudiantes de secundaria, el orador demuestra cómo desmantelar un Magna Doodle para aprender sobre magnetismo y cómo funciona.
- 🧲 La experimentación con imanes, como descubrir que ciertas sustancias no magnéticas pueden interactuar con imanes al enfriarse, puede conectarnos con conceptos más complejos como la memoria flash y las máquinas de resonancia magnética (MRI).
- 🔧 El desafío de hacer más experimentos en nuestra vida cotidiana es valioso para comprender mejor la tecnología y poner a la humanidad de nuevo en la tecnología.
Q & A
¿Qué sucedió con la amiga del orador cuando cayó su teléfono al inodoro?
-La amiga del orador se encontró en una situación complicada cuando su teléfono se cayó al inodoro, lo que provocó un pánico ya que el teléfono es una herramienta esencial en su vida cotidiana.
¿Por qué la gente generalmente no sabe cómo reparar su teléfono móvil?
-La gente no sabe cómo reparar su teléfono móvil porque es un 'caja negra' completamente misteriosa para la mayoría, y según una encuesta, el 80% de los usuarios de teléfonos inteligentes en este país nunca han cambiado la batería de su teléfono y el 25% no sabía que era posible.
¿Qué es lo que el orador, siendo un físico experimental, no sabe hacer con su teléfono si se rompe?
-A pesar de ser especialista en dispositivos electrónicos a escala nano y en las propiedades cuánticas, el orador no sabe por dónde empezar a probar elementos en su teléfono si se rompe.
¿Cuál es la desconexión que menciona el orador entre nosotros y la tecnología que usamos?
-El orador habla de una desconexión y alienación de la tecnología a la que estamos acostumbrados a depender, lo que puede hacernos sentirnos impotentes y vacíos.
¿Qué estudio menciona el orador sobre la comparación de miedo a la tecnología con la muerte?
-El orador menciona un estudio que encontró que somos más miedosos de la tecnología que de la muerte.
¿Cómo sugiere el orador reconectarnos con nuestros dispositivos y humanizarlos?
-El orador sugiere que podemos reconectarnos y humanizar nuestros dispositivos haciendo más experimentos prácticos, ya que estos nos permiten usar nuestros sentidos y manos para conectarnos con el mundo y descubrir cómo funciona.
¿Qué experimento hizo el orador para entender cómo funciona una pantalla táctil?
-El orador realizó un experimento con dos placas metálicas y una batería para cargar una de las placas, y luego medir la separación de carga con un voltímetro, demostrando cómo la pantalla táctil responde a la mano.
¿Qué aprendizaje se puede obtener al hacer experimentos con materiales de diferentes conductividad?
-Al experimentar con materiales de diferente conductividad, como el metal y la madera, se puede aprender sobre la conductividad y por qué ciertos materiales, como los guantes, no permiten usar la pantalla táctil.
¿Qué es lo que el orador describe como una forma de pensar con las manos a través de experimentos?
-El orador describe la experimentación como una forma de pensar con las manos que va más allá de simplemente desmontar cosas, implica probar y hacer un razonamiento crítico práctico.
¿Qué beneficios menciona el orador de hacer aprendizaje práctico y experimentación?
-El orador menciona que el aprendizaje práctico y la experimentación mejoran la comprensión y la retención, activan más partes del cerebro y promueven el bienestar.
¿Qué experiencia comparte el orador con estudiantes de secundaria al ayudarles a aprender sobre magnetismo?
-El orador comparte su experiencia al ayudar a estudiantes de secundaria a aprender sobre magnetismo dándoles un Magna Doodle para desmontar, lo que les llevó a hacer preguntas, hipótesis y a descubrir por sí mismos cómo funciona.
¿Qué materiales menciona el orador como ejemplos de experimentos caseros que pueden conectarnos mejor con la tecnología?
-El orador menciona la magnetización de una billete de dólar, el cereal que contiene hierro y se vuelve imán cuando se enfría, y la superconductividad como ejemplos de experimentos que pueden hacerse en casa para entender mejor la tecnología.
Outlines
📱 Desconexión con la tecnología diaria
El orador comienza con una anécdota sobre una amiga que rompió su teléfono en el inodoro, destacando la dependencia que muchos tenemos de estos dispositivos y la falta de conocimiento sobre cómo funcionan. A pesar de ser un físico experimental especializado en dispositivos electrónicos a escala nano, admite que no sabe cómo reparar su teléfono si estuviera dañado. Explora la idea de que la mayoría de las personas no entiende la tecnología que utiliza diariamente y sugiere que esto puede hacernos sentirnos impotentes y vacíos. Propone que, a través de experimentos prácticos, podemos reconectarnos con nuestros dispositivos y rehumanizarlos, mejorando nuestra comprensión y control sobre ellos.
🔬 Experimentos prácticos para reconectar con la tecnología
El orador comparte su experiencia personal como físico experimental y cómo, a través de la experimentación, ha logrado comprender y conectarse con el mundo físico. Describe un experimento sencillo con placas metálicas y una batería para ilustrar cómo funciona un touchscreen, y cómo este tipo de actividades mejora nuestro entendimiento y nos ayuda a desentrañar el misterio de la tecnología. Además, menciona que el aprendizaje práctico y la experimentación con las manos estimulan áreas adicionales del cerebro y promueven el bienestar. Con ejemplos de estudiantes de secundaria y actividades como desmontar un Magna Doodle, demuestra cómo la experimentación puede ser emocionante y enriquecedora, y anima a la audiencia a hacer más experimentos para comprender mejor la tecnología que usamos.
🧲 La magia de la experimentación con la magnetización
El orador finaliza su charla con un enfoque en la magnetización, mostrando cómo la experimentación simple puede conectarnos mejor con el mundo. Explica conceptos como la superconductividad y cómo la magnetización se utiliza en la memoria flash y en máquinas de resonancia magnética (MRI). Anima a la audiencia a desmontar objetos y probar principios físicos por sí mismos, sugiriendo que al hacerlo, podemos volver a conectar la tecnología con nuestra experiencia humana y hacernos una idea más clara de cómo funcionan los dispositivos que usamos cada día.
Mindmap
Keywords
💡teléfono móvil
💡experimento
💡conexión
💡nanoelectrónica
💡magnetismo
💡superconductor
💡telescopio
💡miedo a la tecnología
💡manos a la obra
💡aprendizaje práctico
Highlights
A friend's cell phone was dropped into the toilet, sparking a discussion on our reliance on technology and our lack of understanding of how it works.
The speaker humorously asks if anyone has ever dropped their phone into the toilet, engaging the audience with a relatable scenario.
An experimental physicist shares her perspective on the mystery of everyday devices like smartphones, which most people are unable to fix.
A survey reveals that 80% of smartphone users have never replaced their phone batteries, and 25% were unaware it was possible.
The speaker suggests that our fear of technology is greater than our fear of death, highlighting a disconnect between humans and the technology they depend on.
The idea of reconnecting with our devices through hands-on experiments is proposed as a way to rehumanize technology.
An experiment demonstrating how a touchscreen works using metal plates and a voltmeter is described.
The importance of experimentation in building understanding and breaking down the mystery of technology is emphasized.
Experimenting is positioned as a method for gaining control and understanding of the technology we use daily.
The benefits of hands-on learning, including improved understanding, retention, and brain activation, are discussed.
The speaker shares a personal story of feeling disconnected from the world, which was later resolved through hands-on experimentation in physics.
An example of working with middle school students to understand magnetism by taking apart a Magna Doodle is provided.
The excitement and engagement of students as they discover how a Magna Doodle works through experimentation is captured.
Simple experiments at home with magnets are encouraged as a way to connect with and understand the world around us.
The speaker demonstrates the interaction of magnets with various materials, including a surprising reaction with a cold, non-magnetic object.
The concept of superconductors is introduced, showing how even complex scientific phenomena can be made accessible through simple experiments.
The speaker concludes by encouraging the audience to take apart and experiment with technology to better understand and connect with it.
Transcripts
Transcriber: Joseph Geni Reviewer: Joanna Pietrulewicz
A friend called me a few weeks ago
with bad news.
She dropped her cell phone into the toilet.
Anyone here done that before?
(Laughter)
So it was a bad situation.
You know, without getting into the details of exactly how that happened
or how she got it out,
let's just say it was a bad situation.
And she panicked because, like for many of us,
her phone is one of the most used and essential tools in her life.
But, on the other hand, she had no idea how to fix it,
because it's a completely mysterious black box.
So think about it: what would you do?
What do you really understand about how your phone works?
What are you willing to test or fix?
For most people, the answer is, nothing.
In fact, one survey found
that almost 80 percent of smartphone users in this country
have never even replaced their phone batteries,
and 25 percent didn't even know this was possible.
Now, I'm an experimental physicist,
hence the toys.
I specialize in making new types of nanoscale electronic devices
to study their fundamental quantum mechanical properties.
But even I wouldn't know where to start in terms of testing elements on my phone
if it broke.
And phones are just one example of the many devices that we depend upon
but can't test, take apart, or even fully understand.
Cars, electronics, even toys are now so complicated and advanced
that we're scared to open and fix them.
So here's the problem:
there's a disconnect between us and the technology that we use.
We're completely alienated from the devices that we most depend upon,
which can make us feel helpless and empty.
In fact, it's not surprising then that one study found
that we are now more afraid of technology
than we are of death.
(Laughter)
But I think that we can reconnect to our devices,
rehumanize them in a sense,
by doing more hands-on experiments.
Why? Well, because an experiment is a procedure to test a hypothesis,
demonstrate a fact.
It's the way that we use our senses,
our hands,
to connect the world
and figure out how it works.
And that's the connection that we're missing.
So let me give you an example.
Here's an experiment that I did recently
to think about how a touchscreen works.
It's just two metal plates,
and I can put charge on one of the plates from a battery.
OK.
And I can measure the charge separation with this voltmeter here.
Now -- let's make sure it's working.
So when I wave my hand near the plates,
you can see that the voltage changes
just like the touchscreen responds to my hand.
But what is it about my hand? Now I need to do more experiments.
So I can, say, take a piece of wood
and touch one of the plates and see that not much happens,
but if I take a piece of metal and touch the plate,
then the voltage changes dramatically.
So now I can do further experiments to see what the difference is
between the wood and the metal,
and I should find out that the wood is not conducting
but the metal is conducting like my hand.
And, you see, I build up my understanding.
Like, now I can see why I can't use a touchscreen with gloves,
because gloves aren't conducting.
But I've also broken down some of the mystery behind the technology
and built up my agency,
my personal input and interactions with the basis of my devices.
But experimenting is a step beyond just taking things apart.
It's testing and doing hands-on critical thinking.
And it doesn't really matter whether I'm testing how a touchscreen works
or if I'm measuring how conducting different types of materials are,
or even if I'm just using my hands to see how hard it is to break
different thicknesses of materials.
In all cases, I'm gaining control and understanding
of the basis of the things that I use.
And there's research behind this.
For one, I'm using my hands,
which seem to promote well-being.
I'm also engaging in hands-on learning,
which has been shown to improve understanding and retention,
and even activate more parts of your brain.
So hands-on thinking through experiments
connects our understanding,
even our sense of vitality,
to the physical world and the things that we use.
Looking things up on the internet
does not have the same effect.
Now, for me this focus on experiments
is also personal.
I didn't grow up doing experiments.
I didn't know what a physicist did.
I remember my sister had a chemistry set that I always wanted to use
but she never let me touch.
I felt mentally disconnected from the world
and didn't know why.
In fact, when I was nine years old,
my grandmother called me a solipsist,
which is something I had to look up.
It means that you think that yourself is all that exists.
And at the time I was pretty offended,
because whose grandmother calls them that?
(Laughter)
But I think that it was true.
And it wasn't until years later,
when I was in college and studying basic physics,
that I had a revelation
that the world,
at least the physical world,
could be tested and understood,
that I started to gain a completely different sense
of how the world worked
and what my place was in it.
And then later, when I was able my own testing
and understanding through research,
a big part of my connection to the world was complete.
Now, I know that not everyone is an experimental physicist by profession,
but I think that everyone could be doing more hands-on experiments.
And actually I think we sort of --
I'll give you another example.
I was recently working with some middle school students,
helping them learn about magnetism,
and I gave them a Magna Doodle to take apart.
Remember one of these things?
So at first, none of them wanted to touch it.
They'd been told for so long not to break things
that they're accustomed to just passive using.
But then I started asking them questions.
You know, how does it work? What parts are magnetic?
Can you make a hypothesis and test it?
But they still didn't want to break it open.
They wanted to take it home with them, really.
Until, one kid finally sliced it through and found really cool stuff inside.
And so this is something we can do here together.
They're pretty easy to take apart.
See, there's a magnet inside, and I can just cut this open.
Cut it open again, you can split it.
OK, so when I do that -- I don't know if you can see this,
but there is sort of -- there it is, this oozy white stuff in here.
Now you can see it on my finger.
And when I drag the pen on it,
you can see that these filaments are attached to it.
So the kids saw this,
and at this point they're like, this is really cool.
They got excited.
They all started ripping them open and taking them apart
and yelling out the things that they discovered,
how these magnetic filaments connected to the magnetic pen
and that's how it wrote.
Or, how the oozy white stuff kept things dispersed so it could write.
And as they were leaving the room,
two of them turned to me and said,
"We loved that.
Me and her are going home this weekend to do more experiments."
(Laughter)
Yeah, I know, the parents in there are worried about it,
but it's a good thing!
Experimenting is good, and actually I found it extremely gratifying,
and I think hopefully it was very life-enriching for them.
Because, even a basic magnet
is something that we can experiment with at home.
They're both simple and complex at the same time.
For example, you can ask yourself,
how can the same material both attract and repel?
If I take a magnet, is it useful if I can get one of them
to rotate the other, for example?
Or, you can take this dollar bill over here,
and I can take a set of magnets,
and you can see that the dollar bill gets lifted by the magnets.
There's magnetic ink hidden in here that prevents counterfeiting.
Or, here I have some crushed-up bran cereal. OK?
And that's also magnetic. Right?
That has iron in it.
(Laughter)
And that can be good for you, right?
OK, here's something else.
This thing over here is not magnetic.
I can't lift it up with the magnet.
But now I'm going to make it cold.
The same thing in here, cold,
and when I make it cold,
and put it on top of the magnet,
so --
(Applause)
It's amazing.
That's not magnetic,
but somehow it's interacting with a magnet.
So clearly understanding this is going to take many more experiments.
In fact, this is something that I've spent much of my career studying.
It's called a superconductor.
Now, superconductors can be complex,
but even simple experiments can connect us better to the world.
So now if I tell you that flash memory works by rotating small magnets,
then you can imagine it. You've seen it.
Or, if I say that MRI machines
use magnetism to rotate magnetic particles in your body,
you've seen it done.
You've interacted with the technology and understood the basis of these devices.
Now, I know that it's hard to add more things to our lives,
especially experiments.
But I think that the challenge is worth it.
Think about how something works, then take it apart to test it.
Manipulate something and prove some physical principle to yourself.
Put the human back in the technology.
You'll be surprised at the connections that you make.
Thank you.
(Applause)
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