2017年2月11日 星期六

4 ways to make your city more walkable

Freedom from cars, freedom from sprawl! Open in your browser
TED
This week on TED.com
February 11, 2017

Jeff Speck: 4 ways to make a city more walkable

18:37 minutes · Filmed Oct 2013 · Posted Feb 2017 · TEDxMidAtlantic

Freedom from cars, freedom from sprawl, freedom to walk your city! City planner Jeff Speck shares his "general theory of walkability" -- four planning principles to transform sprawling cities of six-lane highways and 600-foot blocks into safe, walkable oases full of bike lanes and tree-lined streets.

Playlist of the week

The best Hans Rosling talks you’ve ever seen

Cue up this playlist in memory of a great man and the data he loved. Watch »

10 TED Talks • Total run time 2:31:53

This week's new TED Talks

In 1996, Thordis Elva shared a teenage romance with Tom Stranger, an exchange student from Australia. But one night, after a school dance, Tom raped Thordis. In this extraordinary talk, Elva and Stranger move through a years-long chronology of shame and silence, and invite us to discuss the global issue of sexual violence in a new, honest way. For a Q&A with the speakers, visit go.ted.com/thordisandtom. Watch this talk »

What if every home had an early-warning cancer detection system? Researcher Joshua Smith is developing a nanobiotechnology "cancer alarm" that scans for traces of disease in the form of special biomarkers called exosomes. In this forward-thinking talk, he shares his dream for how we might revolutionize cancer detection and, ultimately, save lives. Watch this talk »

What do you get when you give a design tool a digital nervous system? Computers that improve our ability to think and imagine, and robotic systems that come up with (and build) radical new designs for bridges, cars, drones and much more -- all by themselves. Take a tour of the Augmented Age with futurist Maurice Conti and preview a time when robots and humans will work side-by-side to accomplish things neither could do alone. Watch this talk »

How do parents protect their children and help them feel secure again when their homes are ripped apart by war? In this warm-hearted talk, psychologist Aala El-Khani shares her work supporting -- and learning from -- refugee families affected by civil war She asks: How can we help these loving parents give their kids the warm, secure parenting they most need? Watch this talk »

Read more on ideas.ted.com

Science: How scientists are trying to unlock the mysteries of hypnosis »
Hypnosis is getting a new look from researchers studying its fascinating effects on our brains

Education: Should emotions be taught in schools? »
Some educators now believe it’s time to give our kids emotional instruction along with their ABCs

Technology: The brave new world of programmable materials »
Inside a lab that's creating shape-shitfing materials that transform in useful (and surprising) ways 


 

Quote of the Week

My mother explained the magic with this washing machine the very, very first day. She said, 'Now Hans, we have loaded the laundry. The machine will make the work. And now we can go to the library.' Because this is the magic: you load the laundry, and what do you get out of the machine? You get books out of the machines, children's books."

Hans Rosling
The magic washing machine

Feb. 15: Watch the premiere of TED Dialogues

You're invited to watch the first episode of TED Dialogues, Wednesday, February 15, at 1pm Eastern. It's a Facebook Live event that will discuss some of the biggest questions of this extraordinary moment.

In this episode, TED's curator Chris Anderson will sit down with author Yuval Harari for a broad-ranging discussion of capitalism and globalization, the future of work, and the role of politics on society.

During the live event, you can pose questions to Yuval and Chris through the Facebook Live comment thread. Consider convening a group to watch together and discuss. The need for ideas—and listening—has never mattered more. We hope you'll join us.

 

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