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Joeloki

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Joeloki

Time dilation

Accordingly to special relativity, the instant 'now' to an observer is the instant when light reaches his eyes to tell him of a distant event. This being so, it follows that if a clock moves away from...
15:21 Mon 02nd Oct 20067 answers, last by Joeloki 10:15 Tue 03rd Oct 2006
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reward4615

heat/temperature

My grandson asked "what's the difference between heat & temperature"? (a homework question) I was not alot of help to him. Anyone else know the answer?
12:22 Sun 01st Oct 200614 answers, last by theprof 14:12 Tue 03rd Oct 2006
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shilt

What is it??

I two pewter item I don't know what they are...maybe someone can help or point me in the right direction where I might find out if no one know? I would call each a "dish" but not like for eating, the...
17:26 Fri 29th Sep 20062 answers, last by Joeloki 16:02 Sat 30th Sep 2006
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star1942

hydrostatics

what is the wieght of a cubic foot of water
01:35 Sun 24th Sep 20063 answers, last by jake-the-peg 09:20 Sun 24th Sep 2006
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True blue

Sound insulation on party wall

I was wondering whether a bank of wardrobes along my party wall in the bedroom would cut down noise from my neighbours ie tv noise and talking.I am thinking maybe by having a buffer there will reduce...
19:22 Wed 20th Sep 20064 answers, last by Joeloki 17:24 Sat 23rd Sep 2006
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daleroy

over unity

I do not belive it is possible but has any one actally made a device and put it up for any cientific testing
20:46 Wed 21st Jun 20061 answer, last by Joeloki 17:02 Fri 22nd Sep 2006
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Matheous

H2 O as fuel

Does anyone remember the guy who came up with a formula for water as a fuel for standard combustion car engines? Who was he- and what happened to him?
19:50 Tue 12th Sep 20065 answers, last by Joeloki 16:19 Fri 15th Sep 2006
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sally-anne

Sailing ship power

I often wondered why it has not been possible to design a sailing ship to move not by the sails catching the wind but by rotating the propellers by wind power.
10:07 Fri 15th Sep 200613 answers, last by Birt 10:50 Mon 18th Sep 2006
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Joeloki

Self-propelled vacuum cleaner?

As my wife gets older, she increasingly finds its difficult to overcome the inertia and drag of the standard vacuum cleaner. Does anyone know of a lightweight machine that incorporates some form of...
15:03 Thu 07th Sep 20068 answers, last by Joeloki 16:00 Sat 09th Sep 2006
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matty443

light at the speed of light

theoraticly if my car could travel at the speed of light and i turned on my head lamps what would happen?
14:37 Mon 04th Sep 20066 answers, last by fo3nix 17:30 Tue 05th Sep 2006
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Joeloki

Quantum behaviour and the double-slit experiment.

I have seen it stated that the quantum entities approach the double slit as a 'probability wave' and that this accounts for the appearance of the interference lines on the receiving screen. It does...
14:43 Wed 23rd Aug 200613 answers, last by igenioramus 19:28 Thu 24th Aug 2006
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Booldawg

Brake fluid

What is the process called whereby a liquid is able to draw in water from the atmosphere? I beleive brake fluid has these properties.
20:04 Fri 28th Jul 20064 answers, last by Joeloki 16:20 Sun 13th Aug 2006
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samuel23

magnets for warfare

What I actually mean is for peaceful purposes. Would it be possible to activate huge magnets to disarm the opposing army or to 'catch' bullets, missiles, shells etc in a sort of magnetic force field...
21:06 Thu 03rd Aug 20064 answers, last by Joeloki 16:11 Sun 13th Aug 2006
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Mungo jerry

A level confusion

Can any one help me?!!!! In the syllabus, for OCR, it says that I need to know how to "calculate work done by a constant in situations including those where the force is NOT in the same direction as...
13:12 Sun 11th Jun 20063 answers, last by Joeloki 16:37 Mon 26th Jun 2006

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