Neil deGrasse Tyson: 35 Ways Our Lives Have Changed in the Modern Era

#WhenIWasYourAge: None of my toothpaste tubes could stand up on their caps.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417205338

#WhenIWasYourAge: Anything wrapped in plastic was easy to open.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417205350

#WhenIWasYourAge: Pluto was a planet, but those "in the know" all knew its days were numbered.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417205714

#WhenIWasYourAge: It took a whole hour to bake a potato.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417205885

#WhenIWasYourAge: It took a week to learn whether your photos came out okay.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417206069

#WhenIWasYourAge: We had to open all doors by ourselves. None of them knew we were coming.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417206424

#WhenIWasYourAge: Being "all thumbs" meant you were clumsy. Today it means you’re good at texting.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417206675

— (@)

#WhenIWasYourAge: There were hardly any one-way streets.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417207028

#WhenIWasYourAge: People were skinnier.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417207212

#WhenIWasYourAge: Your expected age of death was much closer to your age of retirement.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417207395

#WhenIWasYourAge: We went to the Moon -- nine times. Today, in low Earth-Orbit, we boldly go where hundreds have gone before.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417207568

#WhenIWasYourAge: The meat in a fast-food Hamburger was as large as the Bun itself.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417207750

#WhenIWasYourAge: You knew where & when the constellations could be found in the sky by using your “Brain App”.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417207922

#WhenIWasYourAge: My car got seven miles per gallon. With a tail-wind.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417208103

#WhenIWasYourAge: We used large Maps made of paper, and none of us could ever re-fold them back the way they came.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417208223

#WhenIWasYourAge: When you fell off the monkey-bars in the playground you landed on cement.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417208421

#WhenIWasYourAge: The average Watermelon had a Billion seeds in it.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417208765

#WhenIWasYourAge: Before Xerox copiers, we all got high in elementary school by smelling mimeograph ink.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417208952

#WhenIWasYourAge: Earth's daily rotation was about a half a millisecond faster than today.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417209126

#WhenIWasYourAge: On average, the Moon was about 1.5 meters closer to Earth than it is today.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417209303

#WhenIWasYourAge: We made phone calls in Phone Booths, which is also where Superman occasionally changed his clothes.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417209484

#WhenIWasYourAge: Your home telephone could drop to the floor thousands of times and never break.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417209669

#WhenIWasYourAge: No matter what they contained, Bottles were not squeezable.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417209841

#WhenIWasYourAge: Airplanes were so loud, you had to pause your conversation whenever one flew overhead.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417210025

#WhenIWasYourAge: People were never "living with their disease". We cured them. Or they died from it.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417210213

#WhenIWasYourAge: Exhaust from City buses billowed at the perfect height for everybody nearby to inhale it.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417210392

#WhenIWasYourAge: PaulSimon wrote this pre-GlobalWarming lyric "The autumn winds blow chilly & cold, September I'll remember”

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417210392

#WhenIWasYourAge: We actually used a sheet of paper laced with carbon to make a carbon copy — “the cc:" -- of a Letter.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417210565

— (@)

#WhenIWasYourAge: You needed a can opener to open a can of beer. And you’d put two holes in it. The second, for air flow.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417211112

#WhenIWasYourAge: There was hardly any transparent plastic.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417210934

#WhenIWasYourAge: Looking up somebody's number in the Phone Book was only one of a dozen household uses for it.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417211284

#WhenIWasYourAge: The Soviet KGB would’ve killed for the surveillance & checkpoint measures that are common in the USA today

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417211470

#WhenIWasYourAge: Religion was taught in Sunday School, not in your Science Classroom.

— Neil deGrasse Tyson (@Neil deGrasse Tyson) 1417212013