MIT Video
  • home
  • about
  • submit a video
  • Browse by:
  • channels
  • type
  • spotlight
  • surprise me

Eratosthenes

Using geometry to measure the circumference of the Earth.

license

YouTube

  • popout
  • flag
  • share
  • embed

channel

MIT+K12, Engineering

type

Educational, Demonstration

source

MIT+K12

tags

  1. Education, teaching, academics;
  2. Global education;
  3. Graduate, postdoctoral;
  4. K-12 education;
  5. Learning;
  6. Students;
  7. Undergraduate;
  8. Volunteering, outreach, public service
  9. ...
  10. expand [+]

Help improve our information email MIT Video

Related videos

Like this video? We think you might like these ones too.

  1.  
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7.  
Motion Graphs
  • MIT+K12,
  • Educational
Motion Graphs

Position, velocity and acceleration explained.

Fluid Dynamics: Non-Newtonian Fluids
  • MIT+K12,
  • Educational
Fluid Dynamics: Non-Newtonian Fluids

Can something be a solid and a liquid at the same time?

2nd-floor gravity
  • MIT+K12,
  • Educational
2nd-floor gravity

Does gravity affect everything at the same rate? An experiment to explain gravity.

Newton's Prism Experiment
  • MIT+K12,
  • Educational
Newton's Prism Experiment

What color is white light? Want to know how to make it?

Entropy
  • MIT+K12,
  • Educational
Entropy

Just how orderly is everything around us, from a set of three dice to all of the stars above us?

Balloon buoyancy: What makes balloons float?
  • MIT+K12,
  • Educational
Balloon buoyancy: What makes balloons float?

How do different air pressures effect how a balloon reacts? Does it matter what the balloon is filled with?

Take a Ride on the Centrifuge
  • MIT+K12,
  • Educational
Take a Ride on the Centrifuge

This video uses Man-Vehicle Lab's human centrifuge to discuss centripetal force and countermeasures for astronaut bone and muscle loss in space.

Gel Electrophoresis
  • MIT+K12,
  • Educational
Gel Electrophoresis

The Decolorization of Crystal Violet
  • MIT+K12,
  • Educational
The Decolorization of Crystal Violet

uploaded 9/25/12

Fun With Fractals
  • MIT+K12,
  • Educational
Fun With Fractals

Earth's Tilt 2: Land of the Midnight Sun
  • MIT+K12,
  • Educational
Earth's Tilt 2: Land of the Midnight Sun

How can you tell when to go to bed when the sun never sets?

Earth's Tilt Part 2
  • MIT+K12,
  • Educational
Earth's Tilt Part 2

uploaded 11/13/12

Earth's Tilt 1: The Reason for the Seasons
  • MIT+K12,
  • Educational
Earth's Tilt 1: The Reason for the Seasons

How can it be summer in North America and winter in Australia at the same time?! MIT+K12 explains the seasons.License: Creative Commons BY-NC-SA More information at http://k12videos.mit.edu/terms-conditions

Pulleys are Cool
  • MIT+K12,
  • Educational
Pulleys are Cool

Ever wonder how NASA gets the space shuttle on top of a 747? They use pulleys! License: Creative Commons BY-NC-SA More information at http://k12videos.mit.edu/terms-conditions

Whats all the matter? Atoms and Molecules
  • MIT+K12,
  • Educational
Whats all the matter? Atoms and Molecules

Atoms, elements and molecules. Understanding the building blocks of matter.

Rock Cycle
  • MIT+K12,
  • Educational
Rock Cycle

We bet you thought that rocks are just rocks, but the truth is there are three different kinds of rocks. Learn the differences between sedimentary, metamorphic and igneous rocks. License: Creative Commons BY-NC-SA More information at http://k12videos.mit.edu/terms-conditions

What Can Engineers Make?
  • MIT+K12,
  • Educational
What Can Engineers Make?

uploaded 10/15/12

The Shape of Sound
  • MIT+K12,
  • Educational
The Shape of Sound

uploaded 10/4/12

Homeostasis
  • MIT+K12,
  • Educational
Homeostasis

uploaded 10/4/12

Fast Processes
  • MIT+K12,
  • Educational
Fast Processes

uploaded 9/17/12

Spotlight video

A selection of handpicked videos from the 150+ channels at MIT Video.

  • show:
  • spotlights
  • recent
  1.  
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7.  
  8. browse all videos
spotlight
MIT Glass Lab: Where art meets science
  • MIT News,
  • Feature
MIT Glass Lab: Where art meets science

The MIT Glass Lab is administratively co-sponsored by the Materials Processing Center and the Department of Materials Science and Engineering.

spotlight
A World Without Friction
  • MIT+K12,
  • Educational
A World Without Friction

Learning the difference between kinetic and static friction.

spotlight
Jesper Juul: 'Half-Real: A Video Game in the Hands of a ...
  • Guest speakers and special events,
  • Event
Jesper Juul: 'Half-Real: A Video Game in the Hands of a Player'

Jesper Juul offered this lecture on Nov. 28, 2006. Juul is a video game theorist and assistant professor in video game theory and design at the Centre for Computer Game Research Copenhagen, where he also earned his PhD.

spotlight
British P.M. David Cameron visits the MIT Media Lab
  • Guest speakers and special events,
  • Event
British P.M. David Cameron visits the MIT Media Lab

In a visit to the MIT campus on May 14, 2013, British Prime Minister David Cameron met with President L. Rafael Reif and Media Lab director Joichi Ito, faculty members and students, and a group of young MIT entrepreneurs.

spotlight
Starr Forum - 'Marathon Bombing: The Global Context' (Part ...
  • Center for International Studies ,
  • Event
Starr Forum - 'Marathon Bombing: The Global Context' (Part 1)

Speakers: Stephen Van Evera, Elizabeth Wood, Carol Saivetz, Bakyt Beshimov, Peter Krause, Jeanne Guillemin and Silvia Dominguez. Moderator: Richard Samuels

spotlight
Basic Brain Anatomy
  • MIT+K12,
  • Educational
Basic Brain Anatomy

What message is your brain sending?

spotlight
How to Make Your Own Circuit Board
  • MIT+K12,
  • Educational
How to Make Your Own Circuit Board

You can create your own mini flashlight.

spotlight
MIT in mourning: Remembering Officer Sean Collier
  • MIT News,
  • News
MIT in mourning: Remembering Officer Sean Collier

Scenes from MIT's campus during the memorial ceremony for Officer Sean Collier on April 24, 2013.

spotlight
Memorial ceremony for Officer Sean Collier
  • Institute Events,
  • Event
Memorial ceremony for Officer Sean Collier

On April 24, 2013 in Briggs Field, thousands of law enforcement officials joined the MIT community in honoring fallen MIT Police Officer Sean Collier.

spotlight
Barker Reading Room Opening
  • Guest speakers and special events,
  • Event
Barker Reading Room Opening

After an extensive renovation project, the Barker Library reading room has reopened to reveal the grandeur of the restored oculus atop the Great Dome, and the beauty of the rotunda’s original architecture.

spotlight
Darwin, Mice and Picky Peacocks
  • MIT+K12,
  • Educational
Darwin, Mice and Picky Peacocks

Natural selection at work.

spotlight
Walter Lewin: Bringing physics 'for the man on the street'
  • Physics,
  • Profile
Walter Lewin: Bringing physics 'for the man on the street'

An interesting feature on the MIT Professor Emeritus of Physics by LaInformacion.com.

spotlight
UROP Profile: Natalia Vélez
  • Undergratuate Research Opportunities Program,
  • Profile
UROP Profile: Natalia Vélez

An undergraduate helps MIT's Brain and Cognitive Science Department find a cure for Huntington's disease.

spotlight
UROP Profile: Prashanth Venkataram
  • Undergratuate Research Opportunities Program,
  • Profile
UROP Profile: Prashanth Venkataram

An MIT undergraduate models a new class of material: the photonic crystal.

spotlight
Building the solar car
  • MIT Edgerton Center,
  • Feature
Building the solar car

Used with permission from "Chronicle" (WCVB-Boston).

spotlight
MIT Sloan Experts | Changing the Finance-Driven Economic ...
  • Business and Management,
  • Profile
MIT Sloan Experts | Changing the Finance-Driven Economic Mindset

MIT Sloan Professor of Management Thomas Kochan discusses how financial analysts have pressured businesses to perform financially.

spotlight
Chemiluminescence: the chemistry of light
  • MIT+K12,
  • Educational
Chemiluminescence: the chemistry of light

What makes a glow stick glow?

spotlight
MIT Sloan Experts | Argentina's inflation rate deception
  • Business and Management,
  • Feature
MIT Sloan Experts | Argentina's inflation rate deception

Alberto Cavallo, the Cecil and Ida Green Career Development Assistant Professor of Applied Economics at the MIT Sloan School of Management, discusses how Argentina has lied about its inflation rate.

spotlight
A look inside the MIT Hobby Shop
  • MIT News,
  • News
A look inside the MIT Hobby Shop

Now in its 75th year, we take a look back how the Hobby Shop began, and how it evolved to what it is today.

15.467 Class from 05-15-2013
  • Business and Management,
  • Educational
15.467 Class from 05-15-2013

15.467 Class from 05-15-2013

15.466 Class from 05-17-2013
  • Business and Management,
  • Educational
15.466 Class from 05-17-2013

15.466 Class from 05-17-2013

15.467 Class from 05-17-2013
  • Business and Management,
  • Educational
15.467 Class from 05-17-2013

15.467 Class from 05-17-2013

15.466 Class from 05-15-2013
  • Business and Management,
  • Educational
15.466 Class from 05-15-2013

15.466 Class from 05-15-2013

Podcasting 101
  • Community videos,
  • Community
Podcasting 101

Presentation by Ken Gagne, web producer at MIT Medical, on the basics of podcasting. This presentation was hosted by the Social Media Working Group and Communication Production Services in May 2013.

15.467 Class from 05-13-2013
  • Business and Management,
  • Educational
15.467 Class from 05-13-2013

15.467 Class from 05-13-2013

15.466 Class from 05-13-2013
  • Business and Management,
  • Educational
15.466 Class from 05-13-2013

15.466 Class from 05-13-2013

15.467 Class from 05-08-2013
  • Business and Management,
  • Educational
15.467 Class from 05-08-2013

15.467 Class from 05-08-2013

15.466 Class from 05-08-2013
  • Business and Management,
  • Educational
15.466 Class from 05-08-2013

15.466 Class from 05-08-2013

15.467 Class from 05-06-2013
  • Business and Management,
  • Educational
15.467 Class from 05-06-2013

15.467 Class from 05-06-2013

15.466 Class from 05-06-2013
  • Business and Management,
  • Educational
15.466 Class from 05-06-2013

15.466 Class from 05-06-2013

15.467 Class from 05-01-2013
  • Business and Management,
  • Educational
15.467 Class from 05-01-2013

15.467 Class from 05-01-2013

15.466 Class from 05-01-2013
  • Business and Management,
  • Educational
15.466 Class from 05-01-2013

15.466 Class from 05-01-2013

15.467 Class from 04-29-2013
  • Business and Management,
  • Educational
15.467 Class from 04-29-2013

15.467 Class from 04-29-2013

15.466 Class from 04-29-2013
  • Business and Management,
  • Educational
15.466 Class from 04-29-2013

15.466 Class from 04-29-2013

15.466 Class from 04-17-2013
  • Business and Management,
  • Educational
15.466 Class from 04-17-2013

15.466 Class from 04-17-2013

15.466 Class from 04-22-2013
  • Business and Management,
  • Educational
15.466 Class from 04-22-2013

15.466 Class from 04-22-2013

15.467 Class from 04-22-2013
  • Business and Management,
  • Educational
15.467 Class from 04-22-2013

15.467 Class from 04-22-2013

15.467 class from 04-17-2013
  • Business and Management,
  • Educational
15.467 class from 04-17-2013

15.467 class from 04-17-2013

Browse all recent

Spotlights

Flagging a Video

Thanks for your help in assuring the best quality video for our viewers. Check all that apply.

x

Embed a Video

Copy and paste the following code:

x px
x

MIT Video

The MIT Video website aggregates and curates video produced by MIT's offices, laboratories, centers and administration. This includes feature and editorial videos, event recordings, academic content and more. Each day, the editorial team at MIT Video selects one or more videos to "spotlight" based on the videos' content, production value and timeliness. We hope you enjoy MIT Video and welcome your feedback.

Advanced searching

Not exactly sure what you're looking for? Give our search a try! You can search by keyword or tag, and then browse through the results based on video type — such as event, educational or feature — or by channel, or other options.

give it a try
Submitting videos

Have you created a video for your department, lab or center? Are you looking to showcase an event that was recorded? It's easy to be included on the MIT Video site, but you must be a member of the Institute community to submit your content.

Tell us about it
MIT logo
  • MIT Video
  • About MIT Video
  • Contact us
  • MIT Video Spotlight
  • Submit a video
  • MIT Resources
  • MIT Homepage
  • MIT News
  • MIT TechTV
  • MIT OpenCourseWare
  • Share MIT Video
  • Share to Facebook Share to Twitter Email More...
  • Follow MIT Video
  • Subscribe to the MIT Video updates
  • Massachusetts Institute of Technology
  • Privacy
  • Terms of Use
  • v1.3.9.01