Jameel Leers idea on Atom Bomb! What do you think?
Jameel Leers Posted “I’m a carpenter with a bit of an interest in physics. Today while eating lunch on a building site i realised something that i need confirming or de-bunking. Here it is: I believe...
View ArticleElectromagnetic induction in outer space and energy conservation
“lets pretend we are in space. and there I have a permanent magnet rotor that and around it are copper windings. They do not touch and everything is floating with minimum friction (because we are in...
View ArticleCosmic Rays
Do cosmic rays get reflected by a mirror?Just like the normal(visible spectrum) light, do cosmic rays and lasers get reflected by a polished surface or are they strong enough to penetrate through them?...
View ArticleTime Travel
Abhirami asks: Suppose there are two brothers who are twins. One of them travels in space by orbiting earth at a very high speed for a few years, and the other one stays on earth.When the person who...
View ArticleWeight and inertia on moon
Say True or False; An object on the Moon weights 1/6 of what it weights on the Earth. Therefore, the object has less inertia on the Moon.( Justify your answer) Answer: The statement is false. Inertia...
View ArticleRon writes on Light and Relativity
Let me start by saying I am NOT a physicist. That much should be painfully clear soon enough. Please bear with me as I am not certain I have the language and in depth knowledge to explain myself...
View ArticleRelativity, Black Hole and some doubts
In the model of the big bang I would like to pose the following question. My understanding is that 1. The expansion of the universe is accelerating and 2. The radiation or shock wave to keep the...
View ArticleSpace Time
Prejith asked: What is space time? Ans: In order to describe an event, we need to specify its position in space and the time of occurrence. A four-dimensional continuum with the three co ordinates of...
View ArticleTime Travel Again !
Davide Writes: (The email is posted as such. SO, sorry for the telegraphic language and poor spelling and grammar) “Hello there i have one more question,a crazy one:) according to Einstein we need a...
View ArticleWhy moon does not fall to Earth?
The moon does not fall to earth because of its tangential velocity. The following video explains it well. The initiative http://lunarscience.nasa.gov/ask-a-scientist/ by NASA will answer all your...
View ArticleSpeed of Light – a thought experiment
Suppose that you are a person 1 standing on a planet.You could see a person 2 moving in a space craft.2 has a mirror(on the surface of planet) exactly at is down which is moving exactly with the same...
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