ࡱ> )` R&bjbjT qRRR8ǎ8,,,$hgv<E,@,,<,|,~n8v -p/R|TqX0ǎqlݓ$^ݓvv*ݓB,,,,,,,<<X,,,ǎ,,,, \Rir:ghVNbbSfR US scientists have unveiled a new breed of tiny robots, which were inspired by minute creaturesuch as termites. They've been put on display at the American Association for theAdvancement of Science meeting in Chicago. And researchers say robots of the future are likelyto resemble small animals rather than the humanoid butlers seen in science fiction. From theconference our science correspondent Pallab Ghosh reports. Vyf[[gяcSfNNy_W:ghVN upaegnN_\uir Y}vI{0(WRT>NLvVyf[OۏOSO[ُN_W:ghVNۏLNOU\ȉ0xvzNXTy *gegv:ghVN_STN!jN\Rir N/fy{^Gȓv:ghVN{[0bNvyf[^bZSؚ ^NOs:WSVNbS0 "In the 1970s, this is how we imagine robots to be in the future. 40 years on, and this is howthey've turned out, tiny robot ants, not dusting or making tea, but trying to find their wayhome. But why build robots based on ants? Their creator Professor Buffler Webb at theEdinburgh University explains. "  (W20N~70t^N ُ/fbN`a-Nv*geg:ghVN040t^ǏSN s(Wv`Q/fُ7hv \W:ghVN N/f(WSbkbkSu _N N/f(W:NN{|P6 /f(W[~b]V[v0FO:NNHNbNN:NSWSf:ghVNbT?[NvR  1rN!X'Yf[vk+Y/OYec:NbNT{NُN "If you've ever tried to build a robot yourself, you cannot help but be amazed when you nowlook at an animal, even a very simple animal and how well it interacts with the world, how manycompetences it has, how compound it is."  Yg`OSfǏ:ghVN HNS_`O w0RRir$\vQ/f^8^{USv\Rire `OO`_N[vuX[e_ [vTyRNS[|]vSOg 0 "Professor Webb spent several weeks studying a type of ant in Spain. She was amazed that itcould process complex visual information in its tiny brain. And so back at the lab, shereproduced it in robot form."  /OYecNpehTexvzsYrvNy0NyYT`v/f ُySN(W[\\v4Y-NYt YBgvƉɉOo`0Vdk V0R[[ yY1\N:NSWSfN:ghVN0 "Ants are fantastic navigators. They remember what they see in the way that we mightrecognize what we see when we learn our way around a new city. But they do all of it with abrain that's smaller that the head of a pin b B D ^ Fr2NPt!!"##$B%%%%%%%%%%%%%%%%%&ɹh}c65PJo(h}c65CJPJo(h}c65CJOJPJo(h}c6CJOJPJo(h}c6jh}c6UmHnHsHtHhw'jhw'Uhh OJQJaJUhhCJOJQJaJhhCJOJaJ5b `  Jv2v!!"##$@%%%%%%%%%gdgd%~&and with very poor vision. And so we really areinterested to try and understand and replicate their capabilities."  /fؚKb TbNve_QNNN FO/f[Nv'YS g;'Y\ NƉR_N N}Y0@bN bN[dk_atQ `Ջ@wt㉌T Y6R[NvR0 Meanwhile, in Chicago, Professor Malcom Makaiva became enamored with another little creature. Ndk Te (WRT l\yYlQtYec[SNy\uirNuNtQ0 "The inspiration is a group of fish that live in the rivers of the Amazon. And those rivers arevery very murky. So as a result they've had to evolve a different way to sense what they doas they generate a weak electric field around their body and they are able to navigate andthey also communicate and hunt using that field."  bvupaegnNNl vNy| [NuX[vl4l^8^4f :NN^sX (WSOhTVNu_1_v5u:W N Ya^hTVsX neT vNNAm NSۏLʼnߘ0 "So he took some back to his lab at Northwestern University in Chicago and he showed me howtheir remarkable natural electric fields work. "  Vdk NbNN|&^VN(WRTS'Yf[v[[ v^NTbU\:yN N T[8^v)Y6q5u:Wv]\OSt0 "If we dip the wires from a speaker into the tank, that electric field gets translated into sound."  YgbNb{-Nv5u~leQ|8 HN5u:W\lS:NX0 "The fish uses these fields rather like radar to sense their surroundings. Professor Macaiva hasmade some robot fish that mimic the real ones. 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