The computer tag has no wiki summary.
4
votes
2answers
200 views
Optical Drive Physics
I have been recently wondering how is data stored on and retrieved from optical devices like CDs, DVDs, and Bluray. What makes these different storage types different from each other?
2
votes
2answers
235 views
What is the difference of the two stable states of a Flip-flop?
In electronics, a flip-flop or latch is a circuit that has two stable
states and can be used to store state information. [...] Flip-flops and latches are used as data storage elements. Such data ...
2
votes
1answer
254 views
Air flow coming out of a fan feels much stronger than air flow coming in. Why? [duplicate]
Possible Duplicate:
Why is exhaling more forceful than inhaling?
If I put my hand behind my computer's system block, I can feel a very strong flux of air coming out, as it is being pushed ...
2
votes
0answers
46 views
Estimating the Kolmogorov Complexity of the Standard Model
The Kolmogorov complexity of a hypothesis / theory / model is the shortest computer program that simulates it, regardless of how inefficient executing that program may be in terms of memory and time. ...
1
vote
1answer
460 views
How are the CPU power and temperature caculated/estimated?
From Wikipedia
The power consumed by a CPU, is approximately proportional to CPU
frequency, and to the square of the CPU voltage: $$
P = C V^2 f $$ (where C is capacitance, f is ...
0
votes
3answers
76 views
Why is it hard to write a computer program to detect patterns which planethunters is asking us to figure out? [closed]
I recently came across this site http://www.planethunters.org. It shows brightness observed for a star vs time. It asks questions like if star is exhibiting variable or fixed pattern. Later it asks if ...
0
votes
1answer
261 views
Are We Living in a Simulated Universe? [closed]
If the universe is just a Matrix- like simulation, how could we ever know? Physicist Silas Beane of the University of Bonn, Germany, thinks he has the answer!. His paper “Constraints on the Universe ...
0
votes
1answer
400 views
Projectile Motion with Air Resistance and Wind
I am wondering how the general kinematics equations would change in the following situation.
If an object were fired out of a cannon, or some sort of launcher, so that it had both an initial velocity ...
