Crosswords1 min ago
Science
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I read from, 'Sämtliche Werke und Briefe in Vier Bänden', a biography of the Berlin German woman poet; Mascha Kaléko, that in 1952 she sent one of her poems to Albert Einstein, the opening line...
Why do the bits of gold leaf in the new sparkly Smirnoff vodka not settle to the bottom - they claim it is real gold leaf, but the SG of gold is vastly more than that of vodka?
A student was told that vanadium (V) can be reduced by SO2. He decided to investigate this by the following procedure: 2.23g of ammonium vanadate was dissolved in dilute sulphuric acid and made up to...
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Do not properly understand the math behind this claim at all, but I am making out my will as we speak :)...
Stuck on 14ac farm operated by church 5, r.n.. and 12 dn bush is stupid on film, 7, ...c.e. thanks in advance
When I lean against a very hot radiator (which I often do) why doesn't it melt the fat in my buttocks and thighs?...
Excuse me if this is a sill question . I and her indoors was talking this morning about the need to reduce our sugar intake . A bottle of soft drink contains 76 g of sugar - If you dilute it with...
My apologies if the spelling is incorrect....
Can anyone tell me when the scale was first used to measure the violence of earthquakes please?...
...but the granite kerbstones didn't seem as slippy. Is it just that the stone offers better grip underfoot?
Did anyone notice a strange moon last night, 22 December? Its was not a full moon but it appeared to have 'blue earmuffs'. The colour was quite a strong 'electric blue'. My husband who never can see...
I was looking at photos from the Chinese moon lander and noticed strange striations on the moon's surface, almost as if it had been swept carefully with a soft broom.........
No question, just an observation from a popular science site;
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I assume the sun spins, but how fast, and at what angle - if any ? I have been reading about our sun and other stars , and I see that scientists claim to be able to state how much they weigh. How do...
Is it possible to calculate the relative temperatures of planets from simply measuring the law of greater atmospheric pressure raising the temperature directly, which ought to explain the reason why...
Hi everyone.. I'm in the south west... and looking into the night sky now.. there's just a bit of light left.. there's a very bright star.. I think I'm looking towards the west,.. anyone know what I'm...
hi we are a bit confused over how much toone force 670 kn is
is it 101 tonnes or 67 tonnes and what is the tonne force ???...
When there is bright sunlight coming through my kitchen window, I can "see" the heat emanating from my toaster against the white tiles on my kitchen wall. What exactly am I seeing? Am I seeing "heat"...
Hi I am looking to find out the cubic measurement of 2.90 metres x 3.15 metres? is the nswer less than 50 cubic metres?? all to do with building regs,any info gladly received.
In a radio telescope, when it rains, what do they do about the water that collects in it? Are there built-in drainage channels, do they turn the dish on its side to allow it to drain out, or do they...
