NewsPronto

 
Men's Weekly

.

USA Conversation

The Conversation USA

The Conversation USA

How does a television set work?

  • Written by Jay Weitzen, Professor of Electrical and Computer Engineering, UMass Lowell
imageThe TV in your home is very different from the television sets of just a few years ago.moodboard/Image Source via Getty Imagesimage

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.


How does a TV work? – Caden, age 11


Look at your modern-day...

Read more: How does a television set work?

More Articles ...

  1. Shorter days affect the mood of millions of Americans – a nutritional neuroscientist offers tips on how to avoid the winter blues
  2. Pharma's expensive gaming of the drug patent system is successfully countered by the Medicines Patent Pool, which increases global access and rewards innovation
  3. Text-to-image AI: powerful, easy-to-use technology for making art – and fakes
  4. A judge in Texas is using a recent Supreme Court ruling to say domestic abusers can keep their guns
  5. Gen. Ulysses S. Grant's pending promotion sheds new light on his overlooked fight for equal rights after the Civil War
  6. Orthodox Judaism can still be a difficult world for LGBTQ Jews – but in some groups, the tide is slowly turning
  7. This course takes college students out of this world – and teaches them what it takes to become space pioneers
  8. Weasels, not pandas, should be the poster animal for biodiversity loss
  9. The 4 biggest gift-giving mistakes, according to a consumer psychologist
  10. How fake foreign news fed political fervor and led to the American Revolution
  11. Jobs are up! Wages are up! So why am I as an economist so gloomy?
  12. Religious freedom and LGBTQ rights are clashing in schools and on campuses – and courts are deciding
  13. Nurses' attitudes toward COVID-19 vaccination for their children are highly influenced by partisanship, a new study finds
  14. Brain-computer interfaces could allow soldiers to control weapons with their thoughts and turn off their fear – but the ethics of neurotechnology lags behind the science
  15. Darknet markets generate millions in revenue selling stolen personal data, supply chain study finds
  16. Protecting 30% of Earth's surface for nature means thinking about connections near and far
  17. Student 'slave auctions' illustrate the existence of a hidden culture of domination and subjugation in US schools
  18. 3 ways cryptocurrency is changing the way colleges do business with students and donors
  19. Genocides persist, nearly 70 years after the Holocaust – but there are recognized ways to help prevent them
  20. Jiang Zemin propelled China's economic rise in the world, leaving his successors to deal with the massive inequality that followed
  21. EU plans to set up a new court to prosecute Russia's war on Ukraine – but there's a mixed record on holding leaders like Putin accountable for waging wars
  22. Twitter lifted its ban on COVID misinformation – research shows this is a grave risk to public health
  23. How parents can play a key role in the prevention and treatment of teen mental health problems
  24. Who's giving Americans spiritual care? As congregational attendance shrinks, it's often chaplains
  25. Satellites detect no real climate benefit from 10 years of forest carbon offsets in California
  26. Resounding success of 'Black Panther' franchise says little about the dubious state of Black film
  27. Healthy democracy requires trust -- these 3 things could start to restore voters' declining faith in US elections
  28. Protests in China are not rare -- but the current unrest is significant
  29. Ancient DNA from the teeth of 14th-century Ashkenazi Jews in Germany already included genetic variations common in modern Jews
  30. Oath Keepers convictions shed light on the limits of free speech – and the threat posed by militias
  31. Where Mauna Loa’s lava is coming from – and why Hawaii’s volcanoes are different from most
  32. Pregnancy is a genetic battlefield – how conflicts of interest pit mom's and dad's genes against each other
  33. What's a polycule? An expert on polyamory explains
  34. Beware of 'Shark Week': Scientists watched 202 episodes and found them filled with junk science, misinformation and white male 'experts' named Mike
  35. Sci-fi books for young readers often omit children of color from the future
  36. Black Twitter's expected demise would make it harder to publicize police brutality and discuss racism
  37. Fatherhood changes men's brains, according to before-and-after MRI scans
  38. More than 4 in 5 pregnancy-related deaths are preventable in the US, and mental health is the leading cause
  39. Even weak tropical cyclones have grown more intense worldwide – we tracked 30 years of them using currents
  40. A sampler of our most popular articles of 2022
  41. White landowners in Hawaii imported Russian workers in the early 1900s, to dilute the labor power of Asians in the islands
  42. Alabama’s execution problems are part of a long history of botched lethal injections
  43. 'Y'all,' that most Southern of Southernisms, is going mainstream – and it's about time
  44. Is China ready to lead on protecting nature? At the upcoming UN biodiversity conference, it will preside and set the tone
  45. Graphene is a proven supermaterial, but manufacturing the versatile form of carbon at usable scales remains a challenge
  46. Still recovering from COVID-19, US public transit tries to get back on track
  47. We're decoding ancient hurricanes' traces on the sea floor – and evidence from millennia of Atlantic storms is not good news for the coast
  48. This course takes a broad look at failure – and what we can all learn when it occurs
  49. How can you tell if something is true? Here are 3 questions to ask yourself about what you see, hear and read
  50. Celebrities in politics have a leg up, but their advantages can't top fundraising failures