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19 May 2000: " # # $ % & # ' %(! ) %& ,# ' %(' # # , - ,# ). What is a rope?A rope is a bundle of fibres/threads/wires twistedtogether. So why not just use a thicker single strand?While a single strand should have the same strengthas a rope of the same cross

11 May 2000: #" $&% ')(!% ,#-. /&01 2)334" ,340 " 50! #')(#3. 0 /4671 2381 0! ),#% 1 % /)')!#"#9:/&/4,#34'9:!;" $&% '&(-41 % <=$81 /1 231 >&?#>)"! ;0@63&1! #";A B;% 66C340ED FCG#3=<E3='H1 " 581 2)3. 1 34" 3=- <E/=I;% <9:!#" $&% '&(I+/)" 3EJ;/)0 % (#% ')!" "

11 May 2000: "$#% & ')()" -,. /10 01.2/& " % 0 " -3)4!/1% 5-67& 89:0 & (/;!(& (4-/1-0 % & % )"$, <47/1% , ).<-')(=!, >?)% /1"<0! %. , )7& @. %. /A'<- &!"&! & ((<7&;!1&!/-&! & (#% & ')(-B. Good enough for long enough - just! Many materials are used at or sli

11 May 2000: #"!#%$&(' )&" %! -,./-(" 01 2 $% --"43!(- " '56(7 '8- 3-13 8 ( )(6--'13!(" -$ 7 )3! %'1(' 2 ,(" %3!-! '9: " -2 1 , ,( 3!# '. Abrasive ClothsCeramics are ideall y suited to this taskbeing extremely hard and available in theform of fine grit. Typicall

24 May 2000: #" $! "%& ')(%#! ,- %#. #/ , #" #" 01 2. The past shows the future wil l be hott er …The figure on the left shows that the remarkableimprovements in aero-engine performance havecome about because the materials designer has beenable to provide the

11 May 2000: " #"$ # $ #$ % &' ( # ) # ## (! ), -! #( #%. # $&./ "#.#! )%! $# " ,.%. #) 0- $ 0 )# $ ( 1%. 2,3 2,3# 2,3 #-%# 2,3%# 20 &4#! )# ($# # #,3%.5 230 $ 26#0 $$ #&. Cycling HelmetsAs well as protecting from small knocks, a cycle helmet mustprotect against

11 May 2000: " #$% &! ' ( ) &! # $ ( (#. & ( # #! , -. /(. # ( %0/1& & # # #! " $ 2(! ,2! 3 ( )/$'.-45 ( ' 3! ( # 6. Fashion HandbagsHistoricall y, most designs havebeen made of leather or othernatural materials. Currenttechnologies all ow syntheticpol ymers