Home
News
Reference
Constants
Fundamental Physical Constants
Air Composition
Astro-physical Constants
Coefficients of Friction
Indices Of Refraction
Nuclear & Particle Data
Special Math Constants
Calculators & Apps
Unit Conversion
Periodic Table of Elements
Time Reference & Exact Time
Humidex & Windchill Calculator
Other
Decimal Multiples & Prefixes
Physics Glossary
Greek Alphabet
Materials Safety Info
Nobel Prize & Bruce Medal Info
Ask Experts
Answers
Classical Mechanics
Thermodynamics
Electricity & Magnetism
Waves in Matter, Sound
Light, Optics and Photonics
Atomic & Nuclear
Quantum Mechanics
Special & General Relativity
Astronomy & Astrophysics
Definitions & Reference
All Answers, all categories
Questions
Unanswered Questions
Directories
University and College Departments
Institutes and National Labs
Professional Societies
Student Societies
Journals
Publishers
Companies
Education
Grad Advisor
Essays
Astronomy
History of Physics
Reference for Educators
Youth Science
New Theories
Fun
Cartoons
Cartoons by Rick London
Cartoons by Mark Parisi
Cartoons by John McPherson
Cartoons by Jerry Van Amerongen
Solvay ala PhysLink.com
Jokes, etc.
Jokes, jokes and more jokes
Physics Party
Chemist's equiVALENT Party
Physics Major?
Is there Santa?
'Twas The Night Before Christmas, NASA-style
The Fate of the Universe
The Ten Commandments for Amateur Astronomers
Science Shop
Physics and Astronomy Ask the Experts
Curious about physics and astronomy?
Just send us your questions!
Click here to submit your question
New Answers
Einstin believed in determinism but the quantum theory disbanded this idea. Do you believe that determinism will be revitalized by the unified field theory? Why or why not?
What 2 constellations or clusters of stars can we see all year long?
How can you make oil sink in water?
What is the Discrete Fourier Transform?
What are quantum numbers? And how many are there?
How come the protons in the nucleus of an atom do not spin around like the electrons do?
Could you please explain the general theory behind the sound that is produced when water falls on a hot surface?
Does ozone occur naturally at ground level and is it safe to breathe?
New Questions
If there would be some antimatter in my bedroom and it would collide with matter, what would happen?
- asked by: sebastian
I've heard that there is a limit beyond which the polishing of a surface increases friction rather than decreasing it. Is it true?
- asked by: Rajesh
Which element contains the most isotopes?
- asked by: Alla Shchirov
Click here
for more unanswered questions.
Answers by Category
»
Classical Mechanics
»
Thermodynamics
»
Electricity & Magnetism
»
Waves in Matter, Sound
»
Light, Optics and Photonics
»
Atomic & Nuclear
»
Quantum Mechanics
»
Special & General Relativity
»
Astronomy & Astrophysics
»
Definitions & Reference
»
All Answers, all categories
'Physicists like to think that all you have to do is say, these are the conditions, now what happens next?'
Richard Feynman
(
1918-1988
)
Top 100 Lists:
Science Kits
Science Supplies
Science Toys & Gifts
Corporate Gifts
Stocking Stuffers
Popular Products:
Scientific Desk Toys
Physics Kits
Hobby Solar Cells
Physics Lab Supplies
Test & Measurement
Optics & Lasers
Hobby DC Motors
Battery Holders
Science Articles:
7 Hot Summer Science Experiments
8 Science Experiment Ideas
Science Fair Advice
Keeping Kids Interested in Science
Summer Science Projects
Shop
Our Online Science Store
Fan Micro Car DIY STEM Kit
$9.99
$4.95
Battery-Powered Balancing Robot DIY STEM Kit
$9.99
$4.95
Hand-Crank Generator DIY STEM Kit
$9.99
$4.95
Doodling Shake Bot DIY STEM Kit
$9.99
$4.95
3-in-1 Alternative Energy Car DIY STEM Kit
$19.99
$12.95
Flashing LED Circuit DIY Electronics Kit
$4.99
$2.59
Solar Micro Car Kit DIY STEM Kit
$9.99
$4.95
Simple DC Motor DIY STEM Kit
$9.99
$4.95