Quizzes & Puzzles0 min ago
Science
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When I'm feeling lazy, I make "milk coffee" by heating milk in a jug in a microwave until it's boiling and adding the milk to instant coffee powder/granules in a cup. I then stir the mixture. If I...
how the industrial revolution proven
Is it possible to generate random numbers using an ordinary calculator? If so how?
Anyone tell me simple walking mechanism? like if you have to build a walking toy. Thanx
My pupils were talking about a set of twins who had 2 heads, arms and legs but separate internal organs. eachtwin operates the limbs on their own side of the body. The children wanted to know what...
Didn't really know where to put this question apart from here. Is there a statutory height that fighter planes and other craft are supposed to fly above houses. Yesterday I went into the garden and a...
can anyone explain how a lightning conductor works. surely once an aerial has a good earth via a conductor it becomes more attractive for the lightning to hit, or does it help reduce the upward charge...
Could somebody explain to me what 'licensing rights' are? I have been asked to 'secure the licensing rights to the new product in the US, UK and European markets, and i need to 'settle the territorys...
Whats the scientific explantion for this? if there is one?
just watched the film 'the abyss' and it raised a question for me. in the film the navy seals have a fluid which you can breath. Now, when we breath air, our lungs expand, drawing in the air and the...
On the weather tonight they showed high water times around the south coast and there was big differences for high water times between towns that were only a small distances apart.
just watched the film 'the abyss' and it raised a question for me. in the film the navy seals have a fluid which you can breath. Now, when we breath air, our lungs expand, drawing in the air and the...
I know I should know this as I did my PADI course at the end of last year but.... Why don't you get the bends whilst freediving?
When the temperature drops below zero the ground freezes. If the temperature remains at say, -10C will the frost penetrate down to a certain depth or will it penetrate deeper in proportion to time at...
how the refrigeration by evaporation occure?
Hi Everyone, Could anyone tell me a simple mechanism of a walking toy four-legged/two-legged whatever doesn't matter.The overall construction must be from the materials you can find in your backyard....
Is canabalism in any species 'discouraged', as in the animal that eats another of it's kind feels some negative effect? I know it's commomplace for say a praying mantis to eat it's mate, or a new...
regarding conditions like cystic fibrosis inherited via both parents carrying the recessive gene. does this mean... we only have 1 of these particular genes or do we have lots of resesive genes and...
what is the unit bigger than a GIGA
how could you test to see if saltly water is a better conductor to pure water?