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Gravitational Waves Discovered - But What Exactly Are They?

Gravitational Waves Discovered - But What Exactly Are They?

Scientists say they've detected gravitational waves. So what does that mean? Columbia University Astrophysicist Summer Ash explains.

Gravitational Waves Discovered - But What Exactly Are They? Where Can You Find Most Volcanoes? What Is a Silent Heart Attack? Those Blood Pressure Numbers Explained Should Pregnant Women Exercise? Is Snoring Dangerous? Can You Really Die of a Broken Heart? How Does a New Climate Deal Get Done? Should You Take a Daily Aspirin? Dread Needles? There Are Still Ways to Get the Flu Vaccine What Are the Santa Ana Winds? What Does a Baseline Concussion Exam Test For? What Causes the Hiccups? Thanksgiving Leftovers? Remember the Two-Hour Rule How Do You Catch E. Coli? How Common Is the Bubonic Plague? From H1N1 to H5N2, What's in a Flu Name? Could Stress Raise Your Stroke Risk? What Vaccines Should Teens Get? Where Do We Get Vitamin D From? When Should You Get a Mammogram? Refugee Versus Migrant: What's the Difference? What Is a Rex Block? Why European Forecasts Are Generally More Accurate Three Things to Know Before Launching a Startup What Is a Super PAC? How Is the Heat Index Calculated? When's the Best Time to Buy a Plane Ticket? College Savings 101: What's a 529? What Is a 'Leap Second'? What's the Best Way to Save for College? When's the Best Time to Buy a Car? Can You Catch Bird Flu? What Causes Vertigo? What's So Bad About Trans Fats? What Are Flash Floods? Where Does Oil Come From? What Are the Most Common Skin Cancers? What Is Doxing? What's It Like on Pluto?

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Gravitational Waves Discovered - But What Exactly Are They? Where Can You Find Most Volcanoes? What Is a Silent Heart Attack? Those Blood Pressure Numbers Explained Should Pregnant Women Exercise? Is Snoring Dangerous? Can You Really Die of a Broken Heart? How Does a New Climate Deal Get Done? Should You Take a Daily Aspirin? Dread Needles? There Are Still Ways to Get the Flu Vaccine What Are the Santa Ana Winds? What Does a Baseline Concussion Exam Test For? What Causes the Hiccups? Thanksgiving Leftovers? Remember the Two-Hour Rule How Do You Catch E. Coli? How Common Is the Bubonic Plague? From H1N1 to H5N2, What's in a Flu Name? Could Stress Raise Your Stroke Risk? What Vaccines Should Teens Get? Where Do We Get Vitamin D From? When Should You Get a Mammogram? Refugee Versus Migrant: What's the Difference? What Is a Rex Block? Why European Forecasts Are Generally More Accurate Three Things to Know Before Launching a Startup What Is a Super PAC? How Is the Heat Index Calculated? When's the Best Time to Buy a Plane Ticket? College Savings 101: What's a 529? What Is a 'Leap Second'? What's the Best Way to Save for College? When's the Best Time to Buy a Car? Can You Catch Bird Flu? What Causes Vertigo? What's So Bad About Trans Fats? What Are Flash Floods? Where Does Oil Come From? What Are the Most Common Skin Cancers? What Is Doxing? What's It Like on Pluto?

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