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Beyond invisibility: engineering light with metamaterials

  • Written by The Conversation Contributor
imageDrawing and reality: designing a metamaterial pattern. On the left is the plan; on the right is the actual object.Bossard/Penn State/Flickr, CC BY-NC-ND

Since ancient times, people have experimented with light, cherishing shiny metals like gold and cutting gemstones to brighten their sparkles. Today we are far more advanced in how we work with this...

Read more: Beyond invisibility: engineering light with metamaterials

Three important quotes from the GOP debate, explained

  • Written by The Conversation Contributor

The 10th Republican debate offered an opportunity for establishment candidates to slow Donald Trump’s momentum just five days before Super Tuesday. On the Texas stage were just five candidates: Trump, Senator Marco Rubio, Senator Ted Cruz, neurosurgeon Ben Carson and Ohio Governor John Kasich. We asked three academics to choose key quotes...

Read more: Three important quotes from the GOP debate, explained

In FBI versus Apple, government strengthened tech's hand on privacy

  • Written by The Conversation Contributor

The ongoing fight between Apple and the FBI over breaking into the iPhone maker’s encryption system to access a person’s data is becoming an increasingly challenging legal issue.

With a deadline looming, Apple filed court papers explaining why it is refusing to assist the FBI in cracking a password on an iPhone used by one of the...

Read more: In FBI versus Apple, government strengthened tech's hand on privacy

Subprime gets bad rap in 'Big Short' but is key to easing affordability crisis

  • Written by The Conversation Contributor

Anyone who’s dug into the 2008 financial crisis knows the role that bundling and selling subprime housing loans played in bringing the world to the brink of economic collapse – out-of-control behaviors well-depicted in the movie “The Big Short.”

But one thing I hope “The Big Short” doesn’t do is further...

Read more: Subprime gets bad rap in 'Big Short' but is key to easing affordability crisis

Why boys need to have conversations about emotional intimacy in classrooms

  • Written by The Conversation Contributor
imageAmerican classrooms do not talk frankly about teenage love or emotional intimacy.Brett Sayer, CC BY-NC

Last month, Tom Porton, an award-winning, veteran Bronx high school teacher, handed in his resignation after colliding with the school’s principal. Porton had distributed HIV/AIDS education fliers listing nonsexual ways of “Making Love...

Read more: Why boys need to have conversations about emotional intimacy in classrooms

The surprising link between postwar suburban development and today's inner-city lead poisoning

  • Written by The Conversation Contributor
imageFlaking lead paint in a home in Muncie, Indiana.Shelly/Flickr, CC BY-NC-ND

The Flint water crisis and the sad story of Freddie Gray’s lead poisoning have catalyzed a broader discussion about lead poisoning in the United States. What are the risks? Who is most vulnerable? Who is responsible?

Lead is an enormous and pervasive threat to public...

Read more: The surprising link between postwar suburban development and today's inner-city lead poisoning

Clinical trials for childhood cancer drugs are critical, but parents don't always understand what they are signing up for

  • Written by The Conversation Contributor
imageDo parents know enough about clinical trials to give informed consent?Sick child image via www.shutterstock.com.

Each week in the United States, about 300 children are diagnosed with cancer. Many of them will be offered treatment as part of a clinical trial that tests different drugs or different ways to give standard drugs.

The dramatic...

Read more: Clinical trials for childhood cancer drugs are critical, but parents don't always understand what...

More Articles ...

  1. The mysterious biomechanics of riding – and balancing – a bicycle
  2. Trump's winning streak reveals bigotry's appeal in GOP
  3. Evolution of moral outrage: I'll punish your bad behavior to make me look good
  4. How driverless vehicles will redefine mobility and change car culture
  5. Cyberwar is here to stay
  6. Passwords, privacy and protection: can Apple meet FBI's demand without creating a 'backdoor'?
  7. Five years after the Arab Spring, how does the Middle East use social media?
  8. Former clerk on Justice Antonin Scalia and his impact on the Supreme Court
  9. How should we measure the size of a university's endowment?
  10. How digital technology spawned retro's revival
  11. Clean energy could save hundreds of billions in health costs every year
  12. Has World War Three begun?
  13. How do we know the Zika virus will cost the world $3.5 billion?
  14. Zika: _Aedes aegypti_ mosquitoes love biting humans, and that's why they spread viruses so well
  15. Hospitals rationing drugs behind closed doors: a civil rights issue
  16. To meet the Paris climate goals, do we need to engineer the climate?
  17. A beginner's guide to sex differences in the brain
  18. A closer look at Rubio, Cruz and the Latino vote in Nevada
  19. Why do we pretend Supreme Court justices are anything but political officials?
  20. Why big tech companies are open-sourcing their AI systems
  21. U.S. mayors desperate to fix crumbling infrastructure but states, feds hold them back
  22. Making sense of the Scalia conspiracy theory
  23. Trump's South Carolina victory could make him unstoppable in GOP race
  24. Four reasons why Clinton's Nevada victory is important
  25. The GOP moves to South Carolina, the first red state battleground
  26. Malheur occupation is over, but the war for America's public lands rages on
  27. Extreme numbers: the unimaginably large and small pop up in recent experiments
  28. With bodies piling up, the war on Mexican journalists has no end in sight
  29. Obama may be a lame duck, but his final budget isn't
  30. DoD detainee photos raise disturbing questions about transparency
  31. Pregnant, in prison and facing health risks: prenatal care for incarcerated women
  32. Straight A students may not be the best innovators
  33. Solving 'Darwin's Paradox': why coral island hotspots exist in an oceanic desert
  34. When do children learn to write? Earlier than you might think
  35. Why statin users should still get the flu shot, even if cholesterol drugs make it less effective
  36. Five years of war in Syria: five lessons Western leaders haven't learned
  37. John Kasich's rhetoric versus his record in Ohio
  38. Curbing cravings: can kitchen chaos influence cookie consumption?
  39. Eying exomoons in the search for E.T.
  40. What Scalia's death means for environment and climate
  41. Our finances are a mess – could behavioral science help clean them up?
  42. Chicago police shooting data may reveal new ways to reduce deaths and racial disparity
  43. Hollywood's piracy problem
  44. Reimagining the Internet as a mosaic of regional cultures
  45. Is your child taking a test? When is the right time?
  46. The little-understood connection between Islamic terror and drug profits
  47. Will anyone be prosecuted in the Flint water crisis?
  48. Why the IRS was just hacked – again – and what the feds can do about it
  49. Trump's anti-trade tirades recall GOP's protectionist past
  50. Could FDA e-cigarette regulations help more people quit smoking?