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858, 904, 907, 912, 942, 967, 972, 976, 982, 1001, 1006, 1013, 1022, 1039, 1046, 1049, 1054, 1058, 1085, 1093, 1105, 1111, 1143, 1146, 1167, 1176, 1179, 1183, 1206, 1212, 1223, 1253, 1256, 1259, 1267, 1273, 1279, 1292, 1298, 1300, 1308, 1311, 1327, 1334, 1362, 1385, 1405, 1407, 1447, 1451, 1480, 1485, 1503, 1507, 1512, 1517, 1529, 1549, 1554, 1559, 1588, 1591, 1597, 1605, 1614, 1632, 1643, 1657, 1666, 1671, 1694, 1729, 1732, 1742, 1767, 1774, 1779, 1783, 1792, 1795, 1801, 1805, 1822, 1840, 1844, 1854, 1858, 1863, 1870, 1902, 1927, 1963, 1971, 1994, 2005, 2029, 2039, 2047, 2055, 2114, 2121, 2128, 2136, 2152, 2169, 2178, 2216, 2221, 2238, 2242, 2257, 2273, 2279, 2314, 2318, 2328, 2350, 2366, 2416, 2439, 2446, 2512, 2521, 2525, 2528, 2541, 2547, 2552, 2570, 2578, 2606, 2641, 2651, 2661, 2673, 2677], 'result': [66, 1315, 2061], 'years': [69], 'natural': [71, 126, 253, 369, 482, 557, 578, 890], 'selection.1,': [72], '2': [73, 883, 2209, 2407], 'Within': [74], 'this': [75, 1397, 1457, 1577, 1736, 2599], 'context,': [76], 'there': [77, 2018], 'lot': [80], 'interest': [82, 173], 'in': [83, 99, 193, 198, 230, 250, 277, 387, 465, 508, 536, 549, 602, 633, 731, 750, 762, 775, 811, 844, 857, 935, 1018, 1028, 1036, 1101, 1219, 1272, 1316, 1344, 1413, 1429, 1450, 1460, 1492, 1511, 1516, 1576, 1612, 1637, 1818, 1821, 1962, 1992, 2009, 2062, 2072, 2079, 2156, 2172, 2267, 2423], 'creating': [84, 496], 'structures': [86, 666, 1015, 2351], '(robots)': [87], 'that': [88, 124, 229, 453, 1252, 1361], 'can': [89, 401, 462, 849, 1135, 1663, 1724, 2094], 'walk,3': [90], 'swim,4': [91], 'perform': [93, 1117, 1137], 'various': [94, 1138], 'tasks.5': [95], 'Micrometer': [96], 'scale': [97, 552, 669], 'robots,': [98], 'particular,': [100], 'been': [102, 129, 181, 227, 260, 423, 487, 1108, 1698], 'proposed': [103], 'applications,': [105], 'including': [106], 'drug': [107], 'delivery,6': [108], 'biosensing,7': [109], 'microsurgery.8': [111], 'Based': [112], 'development': [115, 2167], 'muscles,': [118], 'variety': [120], 'soft': [122, 178, 498, 529], 'robots': [123, 179, 400, 1838, 2030, 2078], 'mimic': [125], 'creatures': [127, 133, 354, 713, 730, 1891, 1969], 'designed.9-12': [130], 'Such': [131, 852, 2608], 'rely': [134], 'power': [136, 699], 'delivered': [137], 'from': [138, 155, 205, 426, 571, 820, 1110, 1275, 1330, 1656, 2013, 2041, 2540, 2630], 'outside,': [139], 'while': [140, 272, 429, 1089, 1384, 1669, 2241], 'entire': [142, 290, 2513, 2579], 'mechanical': [143, 766], 'actuation': [144, 1505], 'due': [146, 1483, 1552, 1641], 'inner': [149], 'stress': [150, 276, 327, 479, 876, 1919, 2403], 'muscle.': [153], 'Differently': [154], 'external': [156, 468, 704], 'field': [157], 'driven': [158], 'devices,6,': [159], '7': [160], 'they': [161, 1723, 1899], 'approach': [162], 'naturally': [163], 'occurring': [164], 'systems': [166], 'are': [168, 359, 714, 1016, 1850, 2610, 2621], 'considered': [169, 488], 'broad': [171], 'scientific': [172], 'technological': [175], 'value.': [176], 'Terrestrial': [177], 'realized': [182], 'walking,9,': [184], '10': [185, 949, 987, 1074, 1195, 1684, 1750, 2187, 2357, 2431], 'gripping,11': [186], 'camouflage12': [188], 'functionalities,': [189], 'but': [190, 2620], 'still': [191, 2060], 'remain': [192], 'centimeter': [195], 'scale.': [196], 'Working': [197], 'scale,': [201, 1842], 'strong': [202], 'adhesion': [203, 242, 254, 307, 365, 382, 558, 579, 1032, 1094, 1309, 1452, 1522, 1561, 1796, 1955], 'arising': [204, 2629], 'surface': [207, 440, 1086, 2414], 'related': [208, 516, 2255], 'forces': [209, 238, 330, 1934], '(e.g.,': [210], 'van': [211, 232, 737, 1225], 'der': [212, 233, 738, 1226], 'Waals': [213, 234, 739, 1227], 'capillary': [216, 237, 2339], 'forces)': [217, 383], 'limit': [220, 335], 'existing': [222, 728], 'examples.': [223], 'Inspiringly,': [224], 'it': [225, 683, 797, 1113], 'has': [226, 259, 1062, 1107, 1377, 1444, 1697, 2537], 'found': [228], 'nature': [231, 278, 732], 'dominate': [239], 'reversible': [241, 772, 1118], 'between': [243, 280, 324, 1033, 1255, 1286, 1645], 'surfaces': [249, 434], 'contact.13-16': [251], 'Typical': [252], 'force': [255, 705, 1204, 1282, 1295, 2385], 'per': [256, 1233, 1630, 1935], 'unit': [257, 1234, 1936], 'area': [258, 1210, 1235, 1930, 1937], 'experimentally': [261], 'measured': [262, 878, 1428, 1580], 'be': [264, 642, 850, 880, 887, 1391, 1582, 1830, 2095, 2331, 2334, 2476, 2615, 2638, 2670], '0.3–1.3': [265], 'MPa17,': [266], '18': [267], '(on': [268], 'gecko': [269], 'foot': [270], 'spatula),': [271], 'typical': [274, 532], '0.01': [281], '0.2': [283, 1276], 'MPa': [284, 538, 1940], '(peak': [285], '0.8': [286], 'MPa).19': [287], 'While': [288], 'creature': [291, 1134], 'size': [292, 338, 1753], 'shrinks': [293], 'down': [294], 'micrometers': [296], '(muscle': [297], 'cross': [298, 1197, 1946], 'section': [299, 1198, 1947], 'getting': [300], 'close': [301], 'body-environment': [303], 'contact': [304, 441, 1087, 1209, 1929], 'area),': [305], 'becomes': [308], 'comparable': [309], 'force,': [313], 'thus': [314, 331, 2337], 'posing': [315], 'great': [317, 493], 'difficulty': [318], 'movement.': [321], 'balance': [323], 'achievable': [325], 'adhesive': [329, 1495, 1933], 'sets': [332, 1756], 'lower': [334, 1007, 1964], 'free': [341], 'moving': [342, 1967], 'organisms,': [343], 'order': [347, 507, 751, 1434, 1972], '140': [349], 'μm.20': [350], 'Similarly,': [351], 'muscles': [358, 491, 548, 891, 2007], 'struggling': [360], 'overcome': [362, 1446, 1794, 1954], 'same': [364, 736, 1055], 'hurdle': [366, 562], 'as': [367, 489, 555, 760, 842, 1057, 1151, 1489, 1786, 1816, 2140, 2252], 'their': [368, 725, 1895, 2042], 'relatives.': [370], 'physics': [373], 'ruling': [374], 'length': [377, 1441], 'scales': [378, 1442], '(including': [379], 'domination': [380], 'worth': [385], 'exploring': [386], 'micrometer-sized': [388, 524], 'robotic': [389], 'systems.': [390], 'In': [391, 741, 911, 1045, 1396, 1433, 1587, 1866, 2515], 'addition,': [392], 'realization': [394], 'large': [396, 2002, 2074], 'numbers': [397], 'allow': [402], 'study': [404], 'cooperative': [406], 'effects,': [407], 'open': [409, 617], 'up': [410, 895, 1200], 'new': [411], 'strategies': [412], 'self-assembly.': [414], 'Muscles': [415], '(soft': [416], 'sections': [417], 'creatures)': [420], 'always': [422], 'well': [424, 673], 'isolated': [425], 'environment,': [428, 573, 1147, 2520], 'hard': [430], 'crust': [431], 'hairy-like': [433], 'assist': [436], 'reduce': [438, 1084], 'zone': [442], 'hence': [444], 'minimize': [445], 'biological': [447, 708], 'adhesion.': [448], 'Liquid': [449], 'crystalline': [450, 459], 'elastomers': [451], '(LCEs),': [452], 'combine': [454], 'elastomeric': [455, 789, 1294], 'properties': [456], 'liquid': [458, 787], 'orientational': [460], 'order,': [461], 'reversibly': [463], 'deform': [464], 'response': [466, 756, 767, 838, 853], 'stimuli': [469], 'dramatic': [471], 'contraction': [472, 777], '(up': [473], '400%)': [475], 'compatible': [480], 'muscles.21': [483], 'Therefore,': [484, 1563], 'LCEs': [485], 'potential': [494], 'biomimetic': [497, 1493], 'robot.22': [499], 'Recently': [500], 'developed': [501, 1017], 'technologies': [502], 'enable': [503], 'control': [505, 674], 'molecular': [506], 'macroscopic': [512], 'scale23,': [513], '24': [514], '(instinct': [515], 'actuation)': [518], 'fabricate': [520], 'patterned': [521, 1620], 'actuator': [522, 1191, 2050, 2190], 'complex': [525, 653], 'shapes.25': [526], 'However,': [527], 'such': [528, 710, 794, 1680, 1770, 1889, 1996], 'materials': [530, 2609], 'elastic': [533, 1787, 1802, 1806, 2440], 'moduli': [534], 'E': [535, 595, 2455], 'range,21': [539], 'behave': [540], 'extremely': [541], 'sticky.': [542], 'All': [543], 'approaches': [544], 'these': [546, 1440, 2535], 'failed,': [554], 'poses': [559], 'huge': [561], "robot's": [564], 'locomotion.': [565], 'To': [566], 'isolate': [567], 'LCE': [569, 599, 748, 828, 860, 979, 1034, 1190, 1784, 1883, 2006, 2179, 2189, 2258, 2377], 'then': [575], 'solve': [576], 'problem,': [580], 'we': [581, 745, 1738, 1868], 'chose': [582], 'acrylic': [583], 'resin': [584, 944], '(IP-Dip)': [585], 'fabrication': [587, 913], "walker's": [589, 989], 'limbs': [590], 'relative': [593, 1359], 'high': [594, 920, 1076, 1360, 1560], '(≈4': [596], 'GPa).': [597], 'composition': [600], 'shown': [601, 843, 1343, 1817], 'Figure': [603, 763, 845, 1102, 1220, 1345, 1461, 1761], '1a': [604], 'chosen,25': [606], 'interestingly': [608], 'light': [610, 769, 819, 874, 1188, 1780, 1879, 2015, 2033, 2040, 2180, 2367], 'sensitive': [611, 1547], 'element': [612], '(azo-dye)': [613], 'designed': [615, 1741], 'transparency': [619], 'window': [620], '780': [622], 'nm': [623, 632, 824, 1169, 2204, 2232, 2289, 2358, 2390], 'fs': [624], 'two-photon': [627], 'absorption': [628], 'polymerization': [629], 'at': [630, 1173, 1839, 2585], '390': [631], 'writing': [637], '(DLW)': [638], 'system,': [639], 'activated': [643], 'green': [645], 'light.': [646], 'DLW': [647, 934], 'used': [649, 697, 1989, 2270, 2347], 'pattern': [651], '3D': [654, 664, 2282], 'hybrid': [655], 'robot': [656, 665, 909, 1771, 2093], 'structures.': [657], 'This': [658, 1960], 'technique': [659, 1056], 'allows': [660, 2069], 'arbitrary': [662], 'design': [663, 1896], 'nanometer': [668], 'resolution': [670], 'sample': [676, 2378], 'position': [677], 'exposure': [680], 'condition.': [681], 'Moreover,': [682], 'consents': [684], 'single': [686, 1958], 'polymerization/crosslinking': [687], 'step': [688, 1048], 'LC': [691, 1024, 2115, 2122], 'monomer': [692, 969, 2108, 2116], 'mixture.': [693], 'Light': [694], 'energy': [695, 1781, 1807, 1860, 2012, 2441, 2445, 2529], 'walker,': [701], 'no': [703, 2021, 2477], 'applied.': [706], 'Approaching': [707], 'systems,': [709], 'obtained': [711, 1711], 'movements': [719], 'influenced': [720, 1893], 'interaction': [723, 1644], 'environment—similar': [726], 'walking': [729, 1098, 1319, 1340, 1372, 1375, 1408, 1438, 1514, 1543, 1566, 1574, 1592, 1651, 1687], 'subject': [733], 'forces.': [740, 1453], 'stage,': [744], 'prepared': [746], 'structure': [749], 'characterize': [753], 'optomechanical': [755], 'our': [758, 1980, 2595], 'materials,': [759], 'reported': [761, 859, 1459, 2141], '1.': [764], 'fully': [771], 'consists': [774], 'around': [779, 1392, 1583, 2304], '20%': [780], 'along': [781, 975], 'director': [783], 'nematic': [786, 973], 'crystal': [788], 'network': [790], '(Figure': [791, 835, 869, 937, 945, 1003, 1077, 1125, 1417, 1536, 1660], '1b,c).': [792], 'For': [793, 1735, 2176, 2364], 'specific': [795, 2025], 'takes': [798], 'place': [799], 'via': [800], 'an': [801, 915, 1378, 1610, 1916], 'intermediate': [802], 'heating': [803], 'step,': [804], 'which': [805, 885, 1148, 1613], 'induces': [806], 'phase': [808], 'transition': [809], '(nematic–isotropic)': [810], 'material.23': [813], 'Illuminating': [814], 'overall': [816, 2043], 'environment': [817, 1611, 2329], 'modulated,': [822], '532': [823, 1168, 2203, 2231, 2288, 2389], 'source,': [826], 'responds': [829], 'following': [830, 1182], 'modulation': [833, 1185], 'frequency': [834, 868], '1d).': [836], 'High': [837], 'frequency,': [839], '1.8': [840], 'kHz,': [841], 'S1d,': [846], 'Supporting': [847, 871, 1130, 1350, 1421, 1540, 1677, 1763, 1823], 'Information,': [848], 'obtained.': [851], 'fastest': [856], 'muscles.': [861, 1885], 'modulated': [863, 1122, 2239], 'amplitude': [864], 'decreases': [865], 'increasing': [867, 1766], 'S1,': [870, 1129], 'Information).': [872, 1131, 1351, 1422, 1541, 1678, 1764], 'Maximum': [873], 'induced': [875, 2368], '260': [881, 2405], '±': [882, 2406], 'kPa,': [884, 893, 1922], 'should': [886, 2637, 2669], 'compared': [888], '(10–200': [892], '1': [897, 1246, 1924, 1939, 2125, 2133], 'kHz).19,': [898], '26': [899], 'These': [900], 'parameters': [901], 'perfectly': [902], 'fit': [903], 'needing': [905], 'construction.': [910], 'process,': [914], 'array': [916], '3': [918], 'μm': [919, 950, 1066, 1070, 1075, 1394, 1585, 1690, 2266, 2306], 'anchors': [921, 1002], 'were': [922, 1051, 2213, 2269], 'polyimide': [927, 1160], '(PI)': [928], 'coated,': [929], 'rubbed': [930], 'glass': [931, 959, 1008, 1041, 1163, 1260, 1470, 2195, 2261, 2417], 'slide': [932, 960, 1009, 1042, 1164], 'IP-Dip': [936], '2a': [938, 946], 'left).': [939], 'After': [940], 'removing': [941], 'unsolidified': [943, 1023], 'right),': [947], 'cell': [951], 'was': [952, 992, 1155, 1988, 2154, 2191, 2234, 2247, 2291, 2346, 2379, 2396, 2409, 2419, 2449, 2473, 2567], 'formed': [953], 'adding': [955], 'PVA': [957], 'coated': [958, 1161], 'parallel': [962], 'rubbing': [963], 'infiltrated': [965], 'mixture': [970, 2109], 'taking': [971, 1932], 'alignment': [974], 'rubbing.25': [977], 'actuator,': [980], '60': [983, 2183], '×': [984, 986, 1194, 1243, 1247, 1747, 1749, 2184, 2186, 2372, 2374], '30': [985, 1193, 2185], 'μm3': [988, 1751, 2188], 'main': [990], 'body,': [991, 1530], 'made': [993, 1052], 'DLW,': [995], 'one': [997, 1331, 1414, 1443, 1798], 'side': [998], 'gripped': [999], '2b).': [1004], 'Subsequently,': [1005], 'removed,': [1011], 'whole': [1014], 'toluene': [1019], 'remove': [1021], 'monomers.': [1025], 'Anchors': [1026], '(nonswelled': [1027], 'toluene)': [1029, 1037], 'ensure': [1030], 'proper': [1031], '(swelled': [1035], 'upper': [1040], 'during': [1043], 'development.': [1044], 'last': [1047], 'legs': [1050, 1717, 1759], 'anchors.': [1059], 'leg': [1061, 1213, 1257, 1332, 1365, 1401, 1481, 1498, 1518, 1658, 2056], 'round,': [1064], '12': [1065, 2480], 'diameter': [1067, 2307, 2498], 'bottom,': [1068], '0.5': [1069, 1242], 'top,': [1071], '2c).': [1078], 'Conical': [1079, 1716], 'shape': [1080], 'chosen': [1082], 'area,': [1088], '45°': [1090], 'tilt': [1091, 1482, 1519, 1659, 2057], 'creates': [1092], 'asymmetry': [1095], 'necessary': [1096], '(SEM': [1099], 'image': [1100], '2d,e).': [1103], 'Once': [1104], 'detached': [1109], 'substrate,': [1112], 'deformation': [1119, 1776], 'under': [1120, 2325, 2551], 'beam': [1124, 1171, 2246], '2f': [1126], 'Movie': [1128, 1348, 1419, 1538, 1819], 'automatically': [1136], 'locomotion': [1139, 1887, 2064], 'highly': [1140], 'depended': [1141], 'interactions': [1144], 'demonstrated': [1150, 1491, 1869, 1913], 'follow.': [1152], 'set': [1157], 'microscope': [1162, 2344], 'surface.': [1165, 1715, 1734], 'With': [1166, 1291, 1915], 'chopped': [1172, 2235, 2287], '50': [1174, 1748], 'Hz,': [1175], 'body': [1177, 1509, 1707, 1752, 1785, 1803, 2048, 2320], 'performs': [1178], 'contract-expand': [1180], 'cycles': [1181], 'frequency.': [1186], 'powered': [1189, 1877], 'μm2': [1196, 1217, 1925, 1950], 'generates': [1199], '78': [1202, 2111], 'μN': [1203], 'estimated': [1207], 'total': [1208], 'pair': [1214], '≈0.4': [1216], '(inset': [1218], '2e).': [1221], 'Taking': [1222], 'maximum': [1224, 1280, 1386, 1424, 1775, 2402], 'attractive': [1228], 'force27': [1229], 'FvdW': [1230], '=': [1231, 1263, 2298, 2461, 2482, 2487, 2500, 2507], 'A/6πD03': [1232], '(Hamaker': [1236], 'constant': [1237], 'A': [1238, 1649, 2286, 2341, 2401], 'typically': [1240], 'between28': [1241], '10−19': [1244, 1248], 'J)': [1249], 'assuming': [1251, 1923], 'gap': [1254], 'D0': [1262], '0.3': [1264], 'nm27': [1265], 'friction': [1268, 1281, 1328, 1353, 1550], 'coefficient': [1269], 'μ': [1270, 2506], 'range': [1274], '1.0,28': [1278], 'F': [1283], '=μFvdW': [1284], '7.9': [1287], '78.5': [1289], 'μN.': [1290], 'driving': [1293], 'larger': [1296, 1686], 'friction,': [1299], 'starts': [1302], 'slip.': [1304], 'Local': [1305, 1521], 'fluctuations': [1306, 1449], 'nonuniform': [1312], 'PI': [1313, 1356], 'coating': [1314, 1357], 'random': [1318, 1339], 'behavior—the': [1320], 'instantaneous': [1321], 'movement': [1322, 1515, 1673], 'direction': [1323, 1415, 1477, 1544, 1567, 1593, 1615, 1652, 1674], 'determined': [1325, 1617], 'differences': [1329], 'other.': [1335], 'An': [1336, 1454], 'example': [1337, 1455], 'trajectory': [1341], '3c': [1346], '(see': [1347, 1760, 1862], 'S2,': [1349, 1762], 'strength': [1354], 'asymmetric': [1363], 'tilted': [1364, 1647], 'geometry': [1366], 'does': [1367], 'not': [1368, 2622, 2648], 'provide': [1369, 1718], 'directional': [1371, 1437, 1905], 'tendency.': [1373], 'velocity': [1376, 1575, 1688, 2491], 'average': [1379, 1573, 1917], 'value': [1380], 'some': [1382, 1790], 'μms−1,': [1383], 'speed': [1387, 1426, 2448], 'observed': [1389], '22': [1393], 's−1.': [1395, 1432, 1586], 'mode,': [1398], 'once': [1399], 'gets': [1402], 'stuck': [1403, 1727], 'surface,': [1406, 1682], 'terminates,': [1409], 'continuous': [1411, 1504, 2202], 'rotation': [1412, 1425, 1527, 1907], 'begins': [1416], '3d–f,': [1418], 'S3,': [1420], '1.5': [1430], 'rad': [1431], 'obtain': [1436], 'local': [1448], '3g–i.': [1462], 'positioned': [1466], 'clean': [1469], 'substrate': [1471], 'moves': [1473], 'preferred': [1476], 'defined': [1478], 'shear': [1486], 'off': [1487], 'anisotropy,': [1488], 'previously': [1490], 'structures.29': [1496], 'No': [1497], 'sticking': [1499], 'present;': [1501], 'instead': [1502], 'results': [1510, 1961, 2536], 'net': [1513, 1672], 'direction.': [1520], 'fluctuation': [1523, 1551], 'may': [1524, 2059, 2614], 'also': [1525, 1602, 1740, 2020], 'induce': [1526, 2237, 2399], 'followed': [1531, 2168], 'however': [1532], 'automatic': [1534], 'reorientation': [1535], '3i,': [1537], 'S4,': [1539], 'very': [1546], 'small': [1555], 'mass': [1556], 'strength.': [1562], 'straight': [1565], 'difficult': [1569], 'maintain.': [1571], 'case': [1578, 1590], '37': [1584], 'above': [1589], 'decided': [1595], 'itself.': [1599], 'It': [1600], 'possible,': [1603], 'other': [1606], 'hand,': [1607], 'create': [1609], 'externally': [1618], 'using': [1619], 'On': [1622, 1679], 'blazed': [1624], 'diffraction': [1625], 'grating': [1626, 1681], '1300': [1628], 'lines': [1629], 'mm,': [1631], 'prefers': [1634], 'move': [1636], 'certain': [1639], 'direction,': [1640], 'nanoslope.': [1648], 'steady': [1650], 'maintained,': [1654], 'independent': [1655], '3j–l)—the': [1661], 'actually': [1664], 'rotate': [1665], 'full': [1667], '360°': [1668], 'maintaining': [1670], '(Movie': [1675], 'S5,': [1676], 'times': [1685], '(380': [1689], 's−1)': [1691], 'comparing': [1692], 'previous': [1695], 'cases': [1696], 'observed.': [1699], 'Yet': [1700], 'another': [1701], 'behavior—up': [1702], '≈1': [1704], 'cm': [1705], '(100': [1706], 'lengths)': [1708], 'long': [1709], 'jumps—was': [1710], 'Teflon': [1714, 1733], 'advantage': [1719], 'walking,': [1721, 1906], 'however,': [1722], 'easily': [1725], 'get': [1726], 'into': [1728, 1808, 1941, 2443], 'micro-gully': [1730], 'reason,': [1737], '100': [1746, 2323], 'three': [1755], 'lamellar': [1758], 'By': [1765], 'power,': [1769], 'approached': [1772], 'stored': [1778], 'inside': [1782], 'potential.': [1788], 'At': [1789], 'point': [1791], 'side,': [1799], 'converted': [1804], 'kinetic': [1809, 1859, 2444], 'energy.': [1810], 'Thus,': [1811], 'sudden': [1813], 'jump': [1814], 'occurred': [1815], 'S6': [1820], 'Information.': [1824], 'Inspired': [1825], 'fleas,30': [1827], 'jumping': [1828, 1909], 'could': [1829, 2330], 'more': [1832, 2478], 'efficient': [1833], 'way': [1834], 'transport': [1836], 'micrometer': [1841], 'where': [1843], 'influence': [1845], 'gravity': [1847], 'inertia': [1849], 'significantly': [1851], 'reduced': [1852], 'air': [1855, 2484, 2503], 'drag': [1856, 2522], 'dominates': [1857], 'loss': [1861], 'Experimental': [1864], 'Section).': [1865], 'conclusion,': [1867], 'preparation': [1871, 2165], 'entirely': [1876], 'based': [1881], 'how': [1898], 'interact': [1900], 'environment—random': [1903], 'or': [1904, 1908, 2624, 2653], 'possible': [1911], 'above.': [1914], '200': [1921, 2305], 'foot-surface': [1928], 'account,': [1942], 'minimum': [1944], '5': [1949, 2265, 2371], 'needed': [1952], 'every': [1957], 'step.': [1959], 'estimate': [1965], 'tens': [1974], 'micrometers,': [1976], 'already': [1977], 'saturated': [1978], 'walker.': [1981], 'Note': [1982], 'that,': [1983], 'although': [1984], 'convenience': [1991], 'all': [1993], 'experiments,': [1995], 'defocused': [1999, 2292], 'illuminates': [2001], 'areas': [2003], 'can,': [2008], 'principle,': [2010, 2073], 'use': [2011], 'source.': [2016], 'Importantly,': [2017], 'need': [2022], 'target': [2024], 'individual': [2026], 'parts': [2027], 'beam.': [2034], 'walkers': [2036], 'simply': [2037], 'absorb': [2038], 'environment.': [2044], 'Optimization': [2045], 'geometry,': [2049], 'shape,': [2051], 'action': [2053], 'angle': [2058], 'improved': [2063], 'performance.': [2065], 'method': [2067], 'presented': [2068, 2171], 'create,': [2071], 'amounts': [2075], 'elastomer-based': [2077], 'relatively': [2081], 'easy': [2082], 'manner': [2083], 'versatile': [2087], 'approach.': [2088], 'Variety': [2089], 'LCE-based': [2091], 'expected,': [2096], 'e.g.,': [2097], 'microswimmers,': [2098], 'microjumpers,': [2099], 'origami': [2100], 'photonic': [2101, 2564], 'devices,': [2102], 'so': [2104], 'on.': [2105], 'Materials:': [2106], 'contains': [2110], 'mol%': [2112, 2119, 2126, 2134], '1,': [2117], '20': [2118], 'crosslinker': [2123], '2,': [2124], 'azo': [2129], 'dye': [2130], '3,': [2131], 'photoinitiator': [2137], '(Irgacure': [2138], '369)': [2139], 'Zeng': [2143], 'et': [2144], 'al.25': [2145], 'Direct': [2146], 'Laser': [2147, 2159], 'Writing': [2148], 'Fabrication:': [2149], 'Fabrication': [2150], 'peformed': [2155], 'Dip-in': [2158], 'Lithography': [2160], 'system': [2161], '(Nanoscribe': [2162], 'GmbH).': [2163], 'Sample': [2164], 'procedure': [2170], 'ref.': [2173], '25.': [2174], 'Characterization:': [2175], 'testing': [2177], 'response,': [2181], 'held': [2192], 'tip.': [2196], 'Two': [2197, 2260], 'beams:': [2199], '300': [2200], 'mW': [2201, 2210], 'solid': [2205], 'state': [2206], 'He-Ne': [2211, 2244], 'focused': [2214], 'center': [2217], 'edge': [2219], 'structure,': [2222], 'respectively,': [2223], '20×': [2226], '(NA': [2227, 2297], '0.4)': [2228], 'objective.': [2229], 'deformation,': [2240], 'transmitted': [2243], 'detected': [2248], 'photodiode': [2251], 'signal': [2254], 'deformation.': [2259], 'tips': [2262], '(1': [2263], 'diameter)': [2268], 'transfer': [2272], 'microwalker': [2274], 'onto': [2275], 'substrates': [2277, 2418], 'help': [2280], 'manual': [2283], 'translation': [2284], 'stages.': [2285], '10×': [2295], 'objective': [2296], '0.2)': [2299], 'spot': [2302], '≈10': [2309], 'W': [2310, 2394], 'mm2': [2311], 'intensity': [2312], 'actuation.': [2316], 'As': [2317, 2591], 'temperature': [2321], 'exceeded': [2322], '°C': [2324], 'illumination': [2327, 2392], 'assumed': [2332], 'dry,': [2335], 'ignored': [2338], 'interactions.': [2340], 'scanning': [2342], 'electron': [2343], '(PHENOM-World)': [2345], 'observe': [2349], 'after': [2352], 'sputter-coating': [2353], 'them': [2354], 'gold': [2359], 'layer.': [2360], 'Light-Induced': [2361], 'Stress': [2362], 'Measurement:': [2363], 'measuring': [2365], 'stress,': [2369], '2.5': [2373], '0.05': [2375], 'mm3': [2376], 'hung': [2380], 'vetically': [2381], 'attached': [2382], 'sensor': [2386], '(5': [2393], 'cm-2)': [2395], 'applied': [2397], 'contraction.': [2400], 'kPa': [2408], 'measured.': [2410], 'Glass': [2411], 'Treatment:': [2412], 'cleaned': [2420], 'rinsing': [2422], '1:300': [2425], 'diluted': [2426], 'HF': [2427], 'water': [2428], 'solution': [2429], 'min.': [2432], 'Jumping': [2433], 'Dynamics': [2434], 'Estimation:': [2435], 'Assuming': [2436], '50%': [2437], 'turned': [2442], 'launch': [2447], '≈4.7': [2450], 'ms−1': [2451], '(LCE': [2452], "Young's": [2453], 'modulus': [2454], '≈': [2456], '1.3': [2457], 'MPa,': [2458], 'density': [2459, 2485], 'ρLCE': [2460], '1.16': [2462], 'g': [2463], 'cm-3,': [2464], 'strain': [2466], '20%).': [2468], 'Reynolds': [2470, 2518], 'number': [2471, 2519], 'Re': [2472], 'calculated': [2474], '(Re': [2481], 'ρνD/μ,': [2483], 'ρ': [2486], '1.2': [2488], 'kg': [2489], 'm−3,': [2490], 'ν': [2492], '<': [2493], '4.7': [2494], 'ms−1,': [2495], 'approximate': [2496], 'object': [2497], 'D': [2499], '40': [2501], 'μm,': [2502], 'dynamic': [2504], 'viscosity': [2505], '18.6': [2508], 'μPa': [2509], 's)': [2510], 'flight.': [2514], 'low': [2517], 'contributed': [2523], 'majority': [2526], 'lost.': [2530], 'research': [2532], 'leading': [2533], 'received': [2538], 'funding': [2539], 'IIT': [2542], 'SEED': [2543], 'project': [2544], 'Microswim': [2545], 'European': [2548, 2553], 'Research': [2549], 'Council': [2550], "Union's": [2554], 'Seventh': [2555], 'Framework': [2556], 'Programme': [2557], '(FP7/2007–2013)/ERC': [2558], 'Grant': [2559], 'Agreement': [2560], 'No.': [2561], '291349': [2562], 'microrobotics.': [2565], 'H.Z.': [2566], 'supported': [2568], 'ICTP': [2571], 'Ph.D.': [2572], 'Program.': [2573], 'authors': [2575, 2596], 'gratefully': [2576], 'thank': [2577], 'Optics': [2580], 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