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Subrahmanyan Chandrasekhar

Subrahmanyan Chandrasekhar

Subrahmanyan Chandrasekhar (1910 - 1995) In 1930 he showed that a star of a mass greater than 1.4 times that of the Sun had to end its life by collapsing into an object of enormous density unlike any ...

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Visit Subrahmanyan Chandrasekhar

http://www-history.mcs.st-and.ac.uk/history//Mathematicians/Chandrasekhar.html
National Earthquake Information Centre - Near real time earthquake list

National Earthquake Information Centre - Near real time earthquake list

Contains information on the most recent earthquakes around the world - less than 14 hours ago. Also data - predicted p-wave times for example. An excellent site for keeping abreast of the latest ...

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Visit National Earthquake Information Centre - Near real time earthquake list

http://earthquake.usgs.gov/regional/neic/
Speedy Inventions

Speedy Inventions

A lesson plan and worksheet. Pupils read a graph that shows how inventions dramatically changed transportation travel times through history. Speed can be calculated from distance and time. . ...

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Visit Speedy Inventions

http://teacher.scholastic.com/lessonrepro/reproducibles/profbooks/speedy.htm
Time

Time

The Official Source of Time for the Department of Defense and the Standard of Time for the United States.

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Visit Time

http://tycho.usno.navy.mil/time.html
International Standard Date and Time Notation

International Standard Date and Time Notation

An outline of ISO 8601, the internationally agreed date and time format. It specifies the numeric representation of date and time.

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Visit International Standard Date and Time Notation

http://www.cl.cam.ac.uk/~mgk25/iso-time.html
Calculation of the Reverberation Time in a Room

Calculation of the Reverberation Time in a Room

Input variables such as dimension of room, construction materials, type of furniture etc. and Sabine Reverberation Time, Eyring Reverberation Time are calculated.

Rating: Rated: 1/5 by physics.org users

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Visit Calculation of the Reverberation Time in a Room

http://www.kettering.edu/~drussell/Demos/RT60/RT60.html
The official US time

The official US time

Site gives the official US time in selectable US time zones

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Visit The official US time

http://www.bldrdoc.gov/timefreq/
Displacement-Time Graph and Velocity-Time Graph

Displacement-Time Graph and Velocity-Time Graph

This simulation shows two graphs where the user can vary initial displacement, velocity and acceleration and see the corresponding changes to the Displacement-Time and Velocity-Time Graphs.

Rating: Rated: 3/5 by physics.org users

Hits: 277

Visit Displacement-Time Graph and Velocity-Time Graph

http://www.msu.edu/user/brechtjo/physics/plotXV/plotXV.html
NPL Beginners Guide to Measurement - Atomic Timekeeping

NPL Beginners Guide to Measurement - Atomic Timekeeping

An introduction to time keeping and how time is agreed around the world.

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Visit NPL Beginners Guide to Measurement - Atomic Timekeeping

http://www.npl.co.uk/server.php?show=ConWebDoc.560
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