why can't you fold a piece of paper of any size in 7 halfs?
476504
the exponential curve\n\n1.easy...\n\n2. easy...\n\n3. not so easy... \n\n4. challenging....\n\n5.very challenging,,....\n\n6.almost impossible....\n\n7.impossible...\n\n\nbut not for a Samurai Sword....\n"The actual forging of the blade was a complex process. Strips of two\ndifferent grades of steel, or of iron and steel, were welded together\nby the smith's hammer. The resulting billet of metal was then folded\nupon itself and hammered out again to its original length and\nthickness.\n\nThis process was repeated many times, until the final blade consisted\nof many thin, tightly welded layers of the original metal. When the\nforging was completed, the sword smith used file and scraping knife to\ngive final shape and finish to the blade and tang.
134853
If you fold A in half (right onto left) the two halves match.  Same goes for H, I, M, O, T, U, V, W, X,and Y. If you fold B in half (top on to bottom) the two halves match.  Same goes for C, D, E, H, I, K, O, and X.  Instead of folding you could use a mirror along the centre line.
585406
Sorry, my mother used to use that one when I was a kid, 50 years ago now, but I can't remember the folding. I have been sitting here for the last few munites trying to make it work and I can't. Might try Bible object lessons on a search.\n\nI found one site, not sure if it will help \nhttp://www.geocities.com/Heartland/Park/2601/PaperCutFold.htm
1009105
First you take out a dollar, hold it out in front of you, take the right top corner and bend it towards the left top corner. Line them up exactly by both the top and bottom corners. Slide your left pointer finger and thumb to the middle of the left side of the dollar squeeze tightly. Then with the same fingers on the right hand from the right top make a crease from top to bottom. Ta Da! You have now successfully folded your dollar in half the best way! Go YOU!!!!!!
868318
22 folds is higher than the Empire State Building\n27 folds is higher than Mount Everest \n42 folds will take you beyond the Moon\n51 folds will take you further than the Sun\n53 folds will go beyond Jupiter\n56 folds will stretch beyond Pluto\n69 folds will more than reach the nearest star\n70 folds will overshoot the nearest extra-solar planet\n\nAssuming ordinary everyday 70 gsm office photocopying paper, 500 sheets (one ream) of which is 2 inches thick.\n\nThis is not an exercise in paper-folding but in using your imagination and appreciating how rapidly doubling up can get you to any named target. \n\nThe physical difficulty of folding a piece of paper is irrelevant, If this creates a mental block, think of it as tearing or guillotining the paper and placing the two piles on top of one another.\n\nNo actual going to the moon or making a paper ladder is involved. It is a conceptual problem.\n\nDIFFICULT TO BELIEVE BUT TRUE!\n\nMost people do not believe these answers as they are counter-intuitive, so I will talk you through it in easy stages. The point to grasp is that every ten folds means just over a thousand times increase in the height of the resulting pile of paper.\n\nAs I suggest above, a ream of ordinary 70 gsm photocopy paper is 500 sheets and about 2 inches thick, \n\nSo let us say that after 10 folds of our theoretically infinitely large (i.e. as large as we need it to be) piece of paper we have 1,024 thicknesses (2^10) and that that is 4 inches thick (a third of a foot).\n\nAfter 20 folds we have 2^20 thicknesses = 4096 inches = 341 feet 4 inches.\n\nThe Empire State Building is 1,250 feet tall, so after 22 folds of the paper it has grown taller than the height of a 102-floors-tall skyscraper,\n\nThere are 5280 feet in a mile, \n\nAfter 30 folds we have 2^30 thicknesses = 349,184 feet 4 inches = 116,395 yards = 66.13 miles. i.e. it was over a mile high after 24 folds and more than 2 miles high after 25 folds\n\nMount Everest is only 5 miles high so the pile of paper was taller than Mount Everest after 27 folds.\n\nThe moon is 238,000 miles away on average (let us not worry about apogee and perigee).\n\nAfter 40 folds we have 2^40 thicknesses = 1,024 x 66.13 miles = 67,720 miles i.e. more than a quarter of the way to the moon.\n\nSo clearly 42 folds more than suffices to take us to the moon. How about the Sun?\n\nThe Sun is on average 93,000,000 miles away (let us not worry about perihelion and aphelion)\n\nAfter 50 folds we have 2^50 thicknesses = 1,024 x 67,720 miles = 69,345,477 miles \n\nSo after 50 folds, we would then be most of the way to the sun. 51 folds more than suffices to get there. So how about Jupiter?\n\nThere are on average 486,587,517 miles to Jupiter. So another couple of folds should do the trick. 53 folds = 8 x 69,345,477 miles = 554,762,813 miles i.e. 53 folds more than suffices to get to Jupiter, And 56 is ample for the short hop to Pluto.\n\nAnd the nearest star? (Proxima Centauri.)\n\n1 light year = 5.879 ×10^12 miles\n4.2 light years = 24.69 ×10^12 miles\n\nAfter 60 folds we have 2^60 thicknesses = 1,024 x 69,345,477 miles = 71,009,769,448 miles\n\nAfter 70 folds we have 2^70 thicknesses = 1,024 x 71,009,769,448 miles = 72,714,002,890,752 miles (72 x 10^12 miles)\n\nSo clearly 69 folds gets us to Proxima Centauri and half way back again! 70 would take us to Sirius (8.6 light years away) and half way back again. Or, more interestingly, it would easily take us to Epsilon Eridani b, the nearest known extra-solar planet (10.5 light years away),\n\nI will leave you to work out how many folds you would need to get to the nearest galaxy! :-)
295075
a plate folded like a prism
239135
don't know, thats just the size paper that fit into most printers and its been that way for years. thats was the size paper that was used in typewriters.
849450
Try this...Take a square piece of paper and fold it into a triangle.  Now fold a series 1/4 folds (3 or 4) on the wide end.. then insert one end into the other (if it doesn't stay then use a small piece of tape to hold together)  What you will have is a cylinder type of craft.. to launch it hold it by the tail (the tip of the triangle) with your middle finger on the inside and all others on the outside... The position should be that the most paper should be facing down\n\nNow just flick you wrist and let go... if you did it correct you will have a futuristic paper air plane that will fly further than most conventional ones..
579572
The thickness of the paper increases with ever fold 2 times. And so with  2 to the power of 7 times it  becomes 128 times thicker and makes it impossible to retain the shape of paper and makes it hard to fold it exactly half.
609110
a millionth of a liter cannot be divided by a teaspoon without a r= remander
155820
Each time you fold it, it doubles in thickness and halves it surface area.\n\n0.1mm x 2 ^ 40 = 109,951.1627776 km\n\n(68,320 miles)\n\nThat means that the piece of paper would be so thick that it would reach to the Ionosphere (well past the ozone layer!)\n\nAlthough the thickness of the paper would be huge, the surface would be tiny. Say you had a large sheet of paper\n1m x 1m (3'4" x 3'4")\n\n1(m^2) / 2 ^ 40 = (m^2) = 0.90949 (μm)^2\n\n(0.0000000014097 square inch)\n\nSo basically your talking about a large piece of paper that now has such a small surface as to become invisible and so thick that it may get hit by international aircraft!\n\nThat is ridiculous and impossible! Incidentally, no paper can be folded more than 8 times.
130096
aRjuN, you are wrong, because balls are round, spherical, and they leave space between them, that can't be occupied.\n\nThis problem is so hard, you almost can't solve it. It takes maybe millions of calculations to find the best way to put the balls inside a container, in order to fit as many balls as it could.
194630
A piece of paper is three-dimensional (3-D). The third dimension (depth) might be very thin, but it still exists.\n\nFor example, take a normal, letter-sized paper of height and width of 8.5-inches by 11-inches. The thickness of the piece of paper is approximately 0.004 inches. Giving you the dimensions: 8.5" x 11" x 0.004"
389557
Why doesn't the sender try doing something like\n\nh t t p : // w w w . w e b s i t e n a m e . c o m \n\n(i.e., just space everything out)\n\nand then you just re-assemble it on the receiving side?\n\nJust a thought.\n\nPlease take time to vote for the best answer.
537621
I think the problem is in paper size\nsometimes papers in letter or A4 can cause these problems
815174
ahhhh, 7 and a half??
666678
Look for a globe- because of the curvature of the earth, it's impossible to put the "right size" onto a 2D peice of paper