Science & Technology

Kevin J. Krizek: How COVID-19 reshaped US cities | TED

The pandemic spurred an unprecedented reclamation of urban space, ushering in a seemingly bygone era of pedestrian pastimes, as cars were sidelined in favor of citizens. Highlighting examples from across the United States, environmental designer Kevin J. Krizek reflects on how temporary shifts — like transforming streets into places for dining, recreation and community —…

Published

5 years ago

September 17, 2021

CYBER TECH TV

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Related Topics:Cities coronavirus featured Kevin J. Krizek pandemic TED TED Talk TED Talks TEDTalk TEDTalks TEDx Urban Planning

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65 Comments

WaaaaaaaaaW

September 17, 2021 at 3:04 pm

やるやん

Reply
WaaaaaaaaaW

September 17, 2021 at 3:04 pm

明日俺にリベンジさせて

Reply
MEYYARASU A 10D.B

September 17, 2021 at 3:05 pm

Seeing from India ????????????????

Reply
Christian Soldier

September 17, 2021 at 3:09 pm

COVID did not do it. Tyrannical government and their propaganda changed it. quit trying to fool everyone.

Reply
Aditya2004

September 17, 2021 at 3:13 pm

????????????????????

Reply
DarshD Entertainment

September 17, 2021 at 3:21 pm

Bill Nye!!!

Reply
THE CRAZY SCIENTIST

September 17, 2021 at 3:30 pm

This just proves that even bad things can bring good things if you know what youre doing

Reply
JUGGERNAUT2004

September 17, 2021 at 3:33 pm

ayyo yes

Reply
Sam Sen

September 17, 2021 at 3:38 pm

Very interesting!

Reply
YUKTI KADEGIYA

September 17, 2021 at 3:44 pm

Hello I’m yukti from-india I can’t properly understand english but i like to watch all you tube videos❤

Reply
- Susan Fanning
  
  September 17, 2021 at 4:07 pm
  
  You are doing great with your english. It’s good to know more than one language because it’s a big world that we have. Take care!
  
  Reply
- YUKTI KADEGIYA
  
  September 17, 2021 at 4:13 pm
  
  Yess
  
  Reply
Back Health 101

September 17, 2021 at 3:52 pm

Government reshaped the cities, not covid.

Reply
Krystal

September 17, 2021 at 3:58 pm

You probably should have waited until the garden shed was finished, it looks tacky.

Reply
Carla Castiajo

September 17, 2021 at 4:40 pm

Electric cars have not sound

Reply
Self-Law

September 17, 2021 at 5:21 pm

CON-VID. A HIDEOUES AND GROTESQUE GLOBAL FRAUD. A DECEPTION.

Reply
Anthony Amaro

September 17, 2021 at 5:24 pm

Build more roads because I’m tired of sitting in traffic for 4 hours a day I’ve never hit a traffic jam on a bike trail TED Talks is going downhill

Reply
Brier Floyd

September 17, 2021 at 5:31 pm

“Reshaped” , lmao like we aren’t in the pandemic rn , we are in the process of reshaping.

Reply
- DL
  
  September 18, 2021 at 12:43 am
  
  When did the pandemic stop?
  
  Reply
Remy Lebeau

September 17, 2021 at 5:39 pm

This video is a disgrace.

Reply
Flerg3

September 17, 2021 at 6:12 pm

I thought that was Chris Hansen

Reply
Larry Holthouser

September 17, 2021 at 7:24 pm

“climate change, equity, and safety” are the most pressing issues of our time? How about education, equality, and choice? All of these seem to be forgotten.

Reply
- Aastha Singh
  
  September 17, 2021 at 7:37 pm
  
  Equity is the next step of equality and covers everything from employment to education to healthcare and more. Safety and Equity together cover choice.
  
  Reply
- Larry Holthouser
  
  September 17, 2021 at 8:14 pm
  
  @Aastha Singh Equity is equal outcomes regardless of effort. I don’t want employees who are equitable. And choice is a personal acceptance of risk which has nothing to do with safety.
  
  Reply
- Aastha Singh
  
  September 17, 2021 at 8:35 pm
  
  @Larry Holthouser No, equity is fairness. Example- a person from a financially weaker background should receive more help with resources, as compared to a person from a rich background. Equity, Equality and safety ensure a person’s right to freedom of choice.
  
  Reply
- Larry Holthouser
  
  September 17, 2021 at 9:16 pm
  
  @Aastha Singh I am from a poor family. But, it was hard work, not equity that has changed my class in society. You keep your safety and I’ll keep my choice.
  
  Reply
- Sentay0
  
  September 18, 2021 at 12:01 pm
  
  @Larry Holthouser good that that worked for you but everyone is different and everyone’s environment is different, don’t apply stuff that worked for you without considering these different factors. For example if you were in a tech or advertising hub, hard work could keep you alive but not raise your caste, you would need networking skills instead. Does that track?
  
  Reply
- Aastha Singh
  
  September 18, 2021 at 6:00 pm
  
  @Larry Holthouser Equity does not mean that people shouldn’t work hard anymore. It gives a better platform and resources to those who need it according to what they need and evens out the playing field, instead of giving the same to everyone and keeping everyone at the same relative position as they were before. Just because one thing works for you doesn’t mean it will for everyone. The point of progress is to make things easier, not keep them difficult.
  
  Reply
Andy Cordy

September 17, 2021 at 8:16 pm

The ideas presented here are thrilling but they present a utopian view of community responses. For example: Comfort. Pittsburgh, midwinter, will not use street space in the same way as in mid summer. Who’s biking to the mall when it’s -15°C?

Reply
- Remco D
  
  September 18, 2021 at 11:51 am
  
  It doesnt go -15 C in the netherlands that often, but we still use a bike when its freezing
  
  Reply
- Andy Cordy
  
  September 18, 2021 at 12:36 pm
  
  @Remco D No doubt but the subject here is American cities.
  
  Reply
Timothy Chapp

September 17, 2021 at 9:04 pm

Cars are the worst

Reply
Ligia Sommers

September 17, 2021 at 9:16 pm

????????????????????????????????????????????????

Reply
Valentyna DM

September 17, 2021 at 9:54 pm

Good ideas! Nice to hear they are going to be implemented

Reply
D Jackson

September 18, 2021 at 2:34 am

Forced lockdowns and restrictions “reshaped” cities…

Reply
Drew

September 18, 2021 at 8:17 am

They tried this in the uk already too. Much to the annoyance of all the residents in the streets they closed off without even asking anyone. Our councils took it upon themselves to deem who wasn’t important enough to be able to get around easily in their own neighbourhood, even emergency vehicles couldn’t access streets quickly they needed. It was a big bust and they had to retract this airy fairy impractical b.s.
Plus
As soon as he said climate change i couldnt take this guy seriously. Also
Doesn’t he know c19 is a manmade casedemic! The governement needs to get over itself. And listen to what the ppl really want. Not take liberties when no ones looking. Im sure it sounded good in their heads.

Reply
Roland S

September 18, 2021 at 9:22 am

.

Reply
Jackie Boyle

September 18, 2021 at 10:45 am

Almost like the Virus was used to bring all these plans into action that the World Economic Forum have been wanting to bring about

Reply
Sentay0

September 18, 2021 at 12:04 pm

Crazy thought: maybe we should work on effective public transit and online infrastructure. If no one needs to go anywhere then the amount of people transiting should decrease thus you can offer better more succinct transit options (because you’re no longer trying to maneuver the entire cities populace).

Reply
The Sisters

September 18, 2021 at 12:27 pm

Interesting

Reply
dopedreamz

September 18, 2021 at 5:31 pm

You could just change the title to ‘how baseless fear was used to manipulate the world’

Reply
- dopedreamz
  
  September 21, 2021 at 7:02 pm
  
  @Jacob Ross nope just smart enough to investigate for myself instead of eating what is spoon fed.
  
  Reply
- Jacob Ross
  
  September 21, 2021 at 7:05 pm
  
  @dopedreamz okay buddy. Enjoy your fishbowl ????
  
  Reply
- dopedreamz
  
  September 21, 2021 at 7:09 pm
  
  @Jacob Ross a fish bowl of open information, the same information used by the networks to form their opinions, written by scientists world wide… wow! What a fish bowl, more like the ocean of knowledge at our fingertips, maybe you should use it.
  
  Reply
- Jacob Ross
  
  September 21, 2021 at 7:16 pm
  
  @dopedreamz ah, got it. You cherry pick data from scientists who fit your point of view. Makes a lot of sense.
  
  Reply
- dopedreamz
  
  September 21, 2021 at 8:14 pm
  
  @Jacob Ross it should be easy to justify any numbers supporting a 5% death rate using data directly from medical journals or scientific evaluations (Impossible task with such a limited pool to choose from right)
  
  Reply
Gaasuba Meskhenet

September 18, 2021 at 6:16 pm

I’m so exhausted by loud cars. please give them a free area to make noise away from where I’m trying to sleep

Reply
Thomas De Quincey

September 18, 2021 at 8:16 pm

I agree. Make people walk. Everyone’s too fat anyway.

Reply
4567alex

September 18, 2021 at 10:37 pm

We should be careful on money useage,if you are not spending to earn back,then stop spending.

Reply
- Alma Dervishi
  
  September 18, 2021 at 11:09 pm
  
  Expert Felix Hartmann has been managing my trade for months and I keep making profits every week , made $9,130 last week
  
  Reply
- Arlind Brahimi
  
  September 18, 2021 at 11:10 pm
  
  I’ve worked with 4 traders in the past but none of them is as efficient as he is , his trading strategies are awesome !
  
  Reply
- William Ravenwright
  
  September 18, 2021 at 11:11 pm
  
  If you’ve started trading with this man then you’re not far from making profits
  
  Reply
- Chloe David
  
  September 18, 2021 at 11:13 pm
  
  I’m from the UK ???????? I and my colleagues gave her a try and it has been good returns of our investment, Thanks Mr Felix Hartmann????????
  
  Reply
- Oscar Davis
  
  September 18, 2021 at 11:15 pm
  
  Seeing alot of success stories, he must be honest and trustworthy for people to talk this good about him
  
  Reply
- Jaxson Salmon
  
  September 19, 2021 at 1:33 am
  
  Bro we know all these are you, Felix
  
  Reply
Damir Dado

September 19, 2021 at 4:37 am

I will Sold you best idea, make from each big City till last smaller City fast train 5 tracks, from small willadge till towns connect 30min trains 3 tracks , and than you give free bicycles in whole country ebicycles all same and free for people to use , people will love it air will be clean, water and no more trash from cars motors in nature…. so if you like my idea it cost 1milion send it on my account and you will be happy… and if you need more ideas I have a lot …. take care love you all

Reply
BINGHUI LUO

September 19, 2021 at 5:12 pm

The speaking rate is so quick.

Reply
楊小藍

September 20, 2021 at 11:12 am

Here in Taiwan, i felt weird when i was riding a bike in central city, everyone looked at me on their scooters with weird eyesight.

Reply
J Mc7y

September 22, 2021 at 1:34 am

Perfect idea for vagrants to pitch tents and shoot up heroin…oh hey human excrement…no problem for my off road bike tiers.

Reply

Science & Technology

Learn What VCs Actually Want, From a Founder Who’s Raised $1B l Build Mode

Investors want founders who understand the financial reality of their business. Messy data, misunderstood metrics, or waiting until you’re nearly out of cash to start fundraising can cost founders leverage, valuation, and even a term sheet. In this episode of Build Mode, host Isabelle Johannesen sits down with Sasha Orloff, founder and CEO of Puzzle…

Published

23 hours ago

August 20, 2026

CYBER TECH TV

In this episode of Build Mode, host Isabelle Johannesen sits down with Sasha Orloff, founder and CEO of Puzzle and Startup Battlefield alum, to talk about what he’s learned from building companies that have raised more than $1 billion collectively.

Sasha breaks down what investors look for during fundraising, which financial metrics founders should know by heart, and why VCs don’t expect your startup to be perfect—they expect you to understand its reality. He also shares how he nearly lost a term sheet because his data room wasn’t ready, how fundraising diligence changes as a startup grows, and why getting your financial house in order can help founders raise with more confidence and leverage.

They get into:
– What raising more than $1 billion across multiple companies taught Sasha about fundraising
– Why investors value founders who have a strong grasp of their company’s financial reality
– The financial metrics founders should know before pitching VCs
How investor expectations change from pre-seed and seed through Series A, B, and beyond
– Why revenue growth and the quality of that revenue are critical fundraising metrics
– How runway, margins, sales efficiency, and profitability factor into investor decisions
– Why waiting until you’re running out of cash can hurt your fundraising leverage
– How Sasha nearly lost a term sheet because his data room wasn’t ready
– Why financial organization and compliance can influence investor confidence and startup valuations
– What founders should have prepared for the due diligence process
– Why VCs don’t expect perfection—and why being honest about what isn’t working can make for a stronger pitch
– How Sasha’s own fundraising and finance frustrations ultimately led him to build Puzzle
– How AI could change the way startups manage accounting and understand their financial health

Chapters:
00:00 – Why VCs Want Founders Who Understand Reality
01:26 – Sasha Orloff’s Journey to Building Puzzle
05:05 – Why Puzzle Started With Startup Founders
08:38 – What Founders Should Know Before Fundraising
11:08 – What Investors Look for During Due Diligence
14:37 – Understanding the Financial Health of Your Startup
17:52 – The Financial Mistakes Founders Make
20:19 – When Startups Need Accountants and Finance Teams
24:04 – How Sasha Almost Lost a Term Sheet
26:10 – The Financial Metrics Founders Should Know Cold
28:20 – Lessons From Raising $1B+ Across Multiple Companies
31:45 – Why Financial Readiness Matters to Investors
33:49 – How AI Is Changing Startup Accounting
37:17 – Inside Puzzle’s Series A With General Catalyst
38:52 – Launching Puzzle at Startup Battlefield
40:38 – Sasha’s Advice for Early-Stage Founders

Subscribe to Build Mode:
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Wherever you like to listen
New episodes of Build Mode drop every Thursday.

Science & Technology

How Satellites and AI Can Protect the Planet | Robbie Schingler | TED

Published

24 hours ago

August 20, 2026

CYBER TECH TV

Space technologist Robbie Schingler cofounded a satellite company that images the whole planet every day, making visible changes on Earth. He shows how pairing that data with AI creates a “planetary intelligence” we can use to spot emerging threats we might not have seen otherwise. Now he asks: Can we close the gap between seeing a crisis coming and actually stopping it? (Followed by a note from TED guest curators Divya Siddarth and Audrey Tang) (Recorded at TED2026 on April 14, 2026)

Join us in person at a TED conference:
Become a TED Member to support our mission:
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The TED Talks channel features the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes (or less) — plus originals, podcasts and exclusive content. Look for videos on Technology, Entertainment and Design as well as science, business, global issues, the arts and more. Visit for our entire library, transcripts, translations and personalized recommendations.

Watch more:

TED videos may be used for non-commercial purposes under a Creative Commons License, Attribution–Non Commercial–No Derivatives (or the CC BY – NC – ND 4.0 International) and in accordance with the TED Talks Usage Policy: . For more information on using TED for commercial purposes (e.g. employee learning, in a film or online course), submit a request at

#TED #TEDTalks #Tech #ClimateChange

CNET

That Voicemail Isn’t Real, It’s AI. The New Wave of AI-Impersonation Scams

Scammers are using AI to impersonate high-profile targets, such as celebrities and politicians. Here’s how you can stay safe. You can find the products mentioned in this article linked below Commerce Link *CNET may get a commission on these offers Link to CNET article: Read more about X on CNET.com: Timecode Chapters: 00:00 The Threat…

Published

1 day ago

August 20, 2026

CYBER TECH TV

Scammers are using AI to impersonate high-profile targets, such as celebrities and politicians. Here’s how you can stay safe.

You can find the products mentioned in this article linked below
Commerce Link
*CNET may get a commission on these offers

Link to CNET article: Read more about X on CNET.com:

Timecode Chapters:
00:00 The Threat of AI Impersonation
01:25 How Deepfakes Are Used in Politics
04:07 The Rise of Hyper-Personalized Fraud
05:42 Testing a Voice Clone on My Boss
07:11 Audio Blind Taste Test With My Sister
11:10 How to Stay Vigilant Against AI Clones

Video Credits:
Host: Katelyn Chedraoui
Scripted by:Katelyn Chedraoui
Producer: Numi Prasarn
Camera: Carly Marsh
Video Editor: Jon Gomez
Thumbnail Designer: Zooey Liao

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