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2017
Remove constraint Year: 2017
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Video
Hydraulic transients (also known as water hammer) can seem innocuous in a residential setting, but these spikes in pressure can cause major damage to large pipelines and industrial pipe networks. In this video, we briefly discuss how water hammer occurs and how engineers mitigate the effect.
- Subjects:
- Building Services Engineering
- Keywords:
- Water hammer Hydraulic transients Fluid mechanics
- Resource Type:
- Video
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Video
A few things that can go very wrong when you put steam in a pipe. We talked about the damaging effects of water hammer, but there’s another state of H2O equally if not more dangerous when put in pipes. In this episode, we’re talking about steam hammer and differential shock.
- Subjects:
- Building Services Engineering
- Keywords:
- Piping Fluid dynamics Pipelines
- Resource Type:
- Video
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Video
What are solar cells, and how do they work? Find out more about solar power - and learn how this renewable resource harnesses the power of the sun into usable energy.
- Subjects:
- Environmental Engineering and Building Services Engineering
- Keywords:
- Solar energy Renewable energy sources Photovoltaic power generation
- Resource Type:
- Video
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Video
What if we incentivized doctors to keep us healthy instead of paying them only when we're already sick? Matthias Müllenbeck explains how this radical shift from a sick care system to a true health care system could save us from unnecessary costs and risky procedures -- and keep us healthier for longer.
- Subjects:
- Management of Health Care Services and Public Health
- Keywords:
- Medical care Medical economics Medical care Cost of
- Resource Type:
- Video
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Video
As the child of Cambodian refugees resettled in the US, Christine Thach grew up in a tight-knit community of former refugees that taught her the value of collective success and interdependence. She credits her community's success to their readiness to embrace a team mentality and to creating a culture of empowerment. Thach argues that the collective success mindset so often seen in refugee communities, and today's competitive capitalist business culture are not at odds -- in fact, they are complementary.
- Subjects:
- Management
- Keywords:
- Industrial management
- Resource Type:
- Video
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Video
In general, and compared to other common building materials, metals have excellent mechanical properties. They are hard, tough, strong, and durable. As someone who occasionally works the wood, even I can admit that metals are a superior material in many regards. So you can see why it would be advantageous to have a way to connect them together, especially if you can do it in such a way that joint isn’t the weakest part of your assembly. That’s the goal of welding, and luckily, this is not something reserved for industrial factories and machine shops. From my own experiences so far, welding is something you might be able to do yourself as a hobby. And stay tuned till the end for some tips for getting started.
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Video
Mohamad Jebara loves mathematics -- but he's concerned that too many students grow up thinking that this beautiful, rewarding subject is difficult and boring. His company is experimenting with a bold idea: paying students for completing weekly math homework. He explores the ethics of this model and how it's helping students -- and why learning math is crucial in the era of fake news.
- Subjects:
- Mathematics and Statistics
- Keywords:
- Mathematics -- Study teaching
- Resource Type:
- Video
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Video
When stress got to be too much for TED Fellow Sangu Delle, he had to confront his own deep prejudice: that men shouldn't take care of their mental health. In a personal talk, Delle shares how he learned to handle anxiety in a society that's uncomfortable with emotions. As he says: "Being honest about how we feel doesn't make us weak -- it makes us human."
- Subjects:
- Health Sciences
- Keywords:
- Mental health
- Resource Type:
- Video
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Video
How do we discern what is true and what is ‘fake news’ in the fast-paced age of social media and technology? Our technology editor David Grossman reports.
- Subjects:
- Statistics and Research Methods
- Keywords:
- Digital media -- Moral ethical aspects Media literacy Social media Journalism -- Social aspects Fake news
- Resource Type:
- Video
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Video
Imagine you were asked to invent something new. It could be whatever you want, made from anything you choose, in any shape or size. That kind of creative freedom sounds so liberating, doesn’t it? Or ... does it? if you're like most people you’d probably be paralyzed by this task. Why? Brandon Rodriguez explains how creative constraints actually help drive discovery and innovation.
- Keywords:
- Creative ability Inventions Problem solving
- Resource Type:
- Video