Wired
Laser Expert Explains One Concept in 5 Levels of Difficulty | WIRED
Donna Strickland, PhD, winner of the 2018 Nobel Prize in Physics and a professor at the University of Waterloo, is challenged to explain lasers to 5 different people; a child, a teen, a college student, a grad student, and an expert. Also, check out the free WIRED channel on Roku, Apple TV, Amazon Fire TV,…
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newyorker122
October 29, 2019 at 8:22 am
Are we just going to ignore the laser “expert” shined a flashlight in a 9 year old’s eyes?
David Poopy
October 29, 2019 at 9:53 am
Lol she is terrible at teaching but I can see her passion for her subject. Will probably do way better in research.
Danijel Dodjavol
October 29, 2019 at 10:32 am
Level 2: Teen
Eli Kaplan
12-year-old
lol
Greg Sherman
October 29, 2019 at 11:49 am
Go to space, use gravitational lensing as the focuser.
CyborgSlayerNila
October 29, 2019 at 11:49 am
How is there no “FIRING THE LAZZZERSSS” ref yet
CyborgSlayerNila
October 29, 2019 at 12:06 pm
Kilajeuwl, tabletop terrawatt….wahhh??
DiCi Abadines
October 29, 2019 at 12:28 pm
What I like about this series is that an average viewer can somehow jive with conversations between two experts by spoon feeding simpler explanations first
Joni Hasa
October 29, 2019 at 12:48 pm
Why am I watching this? I mean I know how to butter a bread but that’s about it.
Aj's life
October 29, 2019 at 12:53 pm
I’m very smart but she’s talking in nobel prizes…. I’m out..
Hash Pond
October 29, 2019 at 1:22 pm
Are we just going to ignore that this lady is making a phaser?
ZacierToni
October 29, 2019 at 2:11 pm
12 y/o teen, aight
Tom Morgan
October 29, 2019 at 2:40 pm
I’m not certain, but I think she went deeper with the 12 year old than she expected to.
DeShawn Michaelson
October 29, 2019 at 2:44 pm
I’ve always found that this kind of tailored communication – the ones ive seen who are the best at it… are all women. Maybe they’re uniquely good at reading reactions ?
Jason McAdams
October 29, 2019 at 3:01 pm
Can i get the 5 level explanation of what a “teen” is? I thought I knew but I guess not.
deviousxen
October 29, 2019 at 3:08 pm
‘Left my husband in NJ… At a truck stop. At the McDonalds.’ xD
Tonz Lang
October 29, 2019 at 3:13 pm
I am hearing laser weaponry… uhg…
It's All About You
October 29, 2019 at 3:21 pm
Interesting
How2BeANoob
October 29, 2019 at 3:37 pm
WATER WATER WATER
fetB
October 29, 2019 at 3:39 pm
I always thought what ade lasers cut, is the heat. That it’s pressure, i still dont fully grasp. After all, the material is vaporized
Marsbird exe
October 29, 2019 at 3:47 pm
Fockin laser sights
Soullesspancake
October 29, 2019 at 4:28 pm
Simplest explanation: PEW PEW.
Eph-Jay Music
October 29, 2019 at 4:39 pm
How do you phase lock multiple beams?
10,000 subs with no videos?
October 29, 2019 at 4:50 pm
What about styropyro
aleksander suur
October 29, 2019 at 4:53 pm
Heh, never thought that there can be no such thing as monochromatic pulse of light. Obvious once someone points it out though.
LidocaineFueledNightmares
October 29, 2019 at 4:57 pm
Styropyro: W o k e
Samwel Nyamwaya
November 1, 2019 at 4:15 pm
Teen category enter 12 year old in middle school😎🤣
Samwel Nyamwaya
November 1, 2019 at 4:19 pm
“teen” puts his hand on chin to seem more engaged. Enter expert level
T
November 1, 2019 at 5:27 pm
Holy F, a Nobel laureate on Wired, that’s something.
Andrei Andreev
November 2, 2019 at 2:30 am
Seems to me that to understand lasers one ought to understand the nature of light. Light is just so mundane and abstract at the same time.
Jose Nell Andrew Tumulak
November 2, 2019 at 2:40 am
*smacc* the electron right off
Nomon Munir
November 2, 2019 at 4:13 am
that was a handful
Richard H. Smith Jr.
November 2, 2019 at 5:01 am
12y ears old, does not a teenager make. 🤪
odasuoatan
November 3, 2019 at 3:18 am
gostosa
odasuoatan
November 3, 2019 at 3:18 am
a velha
Heightist
November 3, 2019 at 4:31 am
“It really threw me off just how fast…”
Me: So, you’re a science major and the speed of light caught you off guard…?
Ruby Giraffes
November 3, 2019 at 11:51 am
Why do I feel like Professor Strickland is not good at explaining things? Even her discussion with the child, teen, and college student was a bit over the place.
Ruby Giraffes
November 3, 2019 at 11:59 am
All I heard was Nobel Prize throughout the whole chat with Mr Campbell.
Hint Of Sarcasm
November 3, 2019 at 7:08 pm
Hi yes I am a teen at the age of twelve. I don’t see teen in there
Zygarde365
November 3, 2019 at 7:37 pm
laser is actually an acronym, it stands for Light Amplification through Stimulated Emission of Radiation, L. A. S. E. R.
Sir Lance Goodthrust
November 3, 2019 at 8:47 pm
All I want to see is a laser strapped to a shark, and sent to take out Islamic radicals.
Tim Pillomann
November 3, 2019 at 10:48 pm
Can you please ask a Fields medal winner to explain his field of research on 5 levels?
Ted Dale
November 3, 2019 at 11:45 pm
Brosky was talking about euv sources used to take us further on the Moore journey
Kazimir
November 4, 2019 at 12:45 am
Can I use lasers to pump chloroplasts and keep photosynthesis going? Coupling this to a CO2 meter could make this process ridiculous efficient. Could this be a thing or am I just daydreaming?
djdaniels00
November 4, 2019 at 4:19 am
My bachelor’s is in photonic science and engineering, the expert level in this video isn’t even speaking at the master’s level in photonics. Try sitting though a non-linear optics or quantum optics lecture at the graduate level. It’s crazy, I feel so stupid compared to some of my old professors.
Angelo Gabriel
November 4, 2019 at 7:26 am
“I’m gonna put in your direction so you can see it.”
My grandmother is having an attack because you shouldn’t point lasers to the eyes!
Stefan Reich
November 4, 2019 at 12:21 pm
What do you think about lasers? – I think they’re cool
*Knew* that was coming 😀
Bleflar
November 4, 2019 at 12:54 pm
Jeez, that nine year old girl is a giant.
Bleflar
November 4, 2019 at 1:07 pm
She is smarter than anyone i know and will ever know, and she knows more on the topic than anyone else. But its pretty clear that she isn’t a good teacher.
Oliver Habersetzer
November 4, 2019 at 3:53 pm
why did she explain how to stretch an impulse but not how to compress…? #sadface
Sea
November 4, 2019 at 5:28 pm
Eli, sci-fi is not real life!!!
Adam Halley-Prinable
November 4, 2019 at 5:29 pm
Hang on hang on woah woah smacking the electrons off the atom!? Does that mean the laser hammer changes the chemical composition of it’s target? Is she a laser alchemist?!
Matthew Bennett
November 5, 2019 at 12:25 am
I wonder… Did she have a Nobel prize-winning idea?
hematose
November 5, 2019 at 3:08 am
@5:00, that’s a plasma cutter, not a laser cutter that it competes with. And again at 6:36.
BIGGANI J.A.M. J.A.M
November 5, 2019 at 10:44 am
I am waiting for the day when this Jedi Master comes to me and say, “No, I am Your Mother”
Ethan Cryder
November 5, 2019 at 12:31 pm
The expert said a bunch of letters and numbers that literally make no sense lol
Guskes
November 5, 2019 at 1:59 pm
instead of studying for my test in Aviation Engineering. im watching her explaining me lazers
anonymous anthropoid
November 6, 2019 at 12:20 am
I swear I wasn’t even in the same room with her but I totally zoned out just watching her explain something with the rainbow slinky
Owen Calder
November 6, 2019 at 3:01 am
These people are gonna make the death star laser and blow up a planet
Abhishek Human
November 6, 2019 at 12:02 pm
#WIRED
How many space research agencies are there and we do not know, only a few people know how many companies like NASA, ISRO, Superco that search, please make a video series on Superco, ISRO, NASA too.
Abhishek Human
November 6, 2019 at 12:02 pm
#WIRED
कितनी अंतरिक्ष अनुसंधान एजेंसियां हैं और हम नहीं जानते हैं, केवल कुछ ही लोग जानते हैं कि नासा, इसरो, सुपरको जैसी कितनी कंपनियां खोज करती हैं, कृपया सुपरको, इसरो, नासा पर भी एक वीडियो श्रृंखला बनाएं।
portaccio
November 6, 2019 at 3:38 pm
PEW PEW! PEWPEWPEW! PEW!
MB
November 7, 2019 at 8:59 am
She is amazing, so smart, articulate and confident! and she absolutely killed it in that red dress
FFFred Jiang
November 7, 2019 at 12:02 pm
Conclusion, I am no better than a teen
SkaterBlades
November 8, 2019 at 1:33 am
Okay but can we get sharks with frickin laser beams attached to their heads?
TankiGaming with RichardRocks2016
November 8, 2019 at 11:13 am
12 is not teen but ok whatever
iTradeAIMS
November 8, 2019 at 11:30 am
Please put the “keyword” 2018 NOBEL PRIZE WINNER in the title…
Teejay Carl Lopez
November 8, 2019 at 1:25 pm
I kinda wished an audio engineer would do 5 levels about acoustics 🤓
Charlie Angkor
November 8, 2019 at 1:25 pm
laser is to light what a whistle is to sound.
Charlie Angkor
November 8, 2019 at 1:33 pm
if you shine light into a darkened glass, it diminishes in brightness with distance. in a laser there is an opposite stuff. You shine weak light in and its brightness rises as it travels through and comes out brighter. Then someone came with an idea to put two mirrors around it so it builds up its brightness to infinity.
Charlie Angkor
November 8, 2019 at 1:37 pm
I designed a DIY “laser” wireless optical datalink 1.4 km 10Mbps full duplex. Except it doesnt have a laser, but an LED. Lasers are bad for this. Eye safety, expensive, complicated to drive, easy to destroy, coherence causes black spots wandering over the receiver and causing signal dropouts. Requires expensive sharp optics.
Charlie Angkor
November 8, 2019 at 1:40 pm
with her laser hammer she probably blows a lens or a mirror or fries a fiber before it even comes out of the laser 😂😂😂
Charlie Angkor
November 8, 2019 at 1:41 pm
I shone a 5mW laser pointer into an optical fibre and it smoked and melted and stopped working because the carrier plastic was black😂😂😂 now imagine your retina smoking and melting.
Charlie Angkor
November 8, 2019 at 1:46 pm
so if I put her terawatt or what laser hammer into my Ronja how many kilometers of dense fog will it punch through? 😂😂😂 will it be eye safe? 😂😂😂
Dwight Lewis
November 8, 2019 at 4:19 pm
Laser is an acronym:
Light
Amplification by
Stimulated
Epstein didn’t kill himself
Radiation