//
je leest...
Nieuws

The history and future of the Universe in four minutes: Brian Greene at TED2014

Originally posted on TED Blog:

Physicist Brian Green promises he will tell the audience at TED 2014 the whole history of the universe in four minutes. “Forgive me,” he says, “if I leave out a detail here or there.”

He does it with two metaphors. One from the beginning till now, and another from now till the end.

TED2014_DD_DSC_2082

Brian Greene. Photo: James Duncan Davidson

The universe today is 13.8 billion years old, and it can be very hard to get our minds around that number. So Greene uses a metaphor pioneered by Carl Sagan. Imagine that we’re part of a single calendar year. All of cosmic history compressed into a single calendar year. On this calendar:

  • May 12, the Milky Way is formed.
  • Sept 2nd, the Earth is formed.
  • 11:40pm New Year’s Eve, Humans evolve.
  • 11:44pm, we domesticate fire.
  • 11:58pm the first cave paintings are made.
  • 11:59:49pm writing is developed, so all of recorded history takes place…

View original 347 woorden meer

About these ads

Reacties

Nog geen reacties

Geef een reactie

Vul je gegevens in of klik op een icoon om in te loggen.

WordPress.com logo

Je reageert onder je WordPress.com account. Log uit / Bijwerken )

Twitter-afbeelding

Je reageert onder je Twitter account. Log uit / Bijwerken )

Facebook foto

Je reageert onder je Facebook account. Log uit / Bijwerken )

Google+ photo

Je reageert onder je Google+ account. Log uit / Bijwerken )

Verbinden met %s

Voer je e-mailadres in om deze site te volgen en om per e-mail meldingen over nieuwe berichten te ontvangen.

Follow ICT Portfolio on WordPress.com

Enter your email address to follow this blog and receive notifications of new posts by email.

Doe mee met 3 andere volgers

We cannot load blog data at this time.

Volg

Ontvang elk nieuw bericht direct in je inbox.

%d bloggers like this: