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Xiulin Ruan, a Purdue University professor of mechanical engineering, holds up his lab’s sample of the whitest paint on record. Credit: Purdue University/Jared Pike New paint formulation could help buildings rely less on air conditioning. In an effort to curb global warming, Purdue University engineers have c...-
Scanning Electron Microscopy (SEM) image of the bases of pretarsal (ie, on lowest part of leg) adhesive hairs. (A) On the left are the hair shafts of the adhesive hairs closest to the exoskeleton. At their insertion, the hair shaft becomes thinner and a stopper-like structure on the exoskeleton meets and atta...-
Jet packs, robot maids, and flying cars were all promises for the 21st century. We got mechanized, autonomous vacuum cleaners instead. Now a team of Penn State researchers are exploring the requirements for electric vertical takeoff and landing (eVTOL) vehicles and designing and testing potential battery power...-
Visualization of a lithium-rich cathode. Credit: Carnegie Mellon University and Northeastern University Batteries have come a long way since Volta first stacked copper and zinc discs together 200 years ago. While the technology has continued to evolve from lead-acid to lithium-ion, many challenges still exist...-
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This strip of metallic wood, about an inch long and one-third inch wide, is thinner than household aluminum foil but is supporting more than 50 times its own weight without buckling. If the weight were suspended from it, the same strip...-
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Engineers at MIT, Caltech, and ETH Zürich find “nanoarchitected” materials designed from precisely patterned nanoscale structures (pictured) may be a promising route to lightweight armor, protective coatings, blast shields, and other i...-
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Lightweight aerogel suspended in honeycomb structure. Credit: University of Bath Extremely low-density graphene-based aerogel ‘meringue’ can improve passenger comfort and reduce noise up to 80%. An incredibly light new material that ca...-
07-23蓝冠官网《Q374919》评估工具包围绕最大17710能源收集充电器和保护者。能量收割机是一种将周围环境的能量转化为可用能量的装置。来源可能包括太阳能，射频，或机械。 硬件 这种集成电路实际上有两个用途。一是充电。为此，蓝冠官网 它有一个升压调...
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07-23蓝冠招商《Q374919》想想所有产生的多余热量，蓝冠官网 然后作为“废物”散去。如果我们能收集这些热量并将其转化为电能呢?热电效应在物理学家中是众所周知的，但它的效率非常低，这可能不会困扰物理学家，但对工程师来说是不可接受的。然而，蓝冠注册 ...
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07-23蓝冠注册《Q374919》微机电系统是什么? 微机电系统(MEMS)，蓝冠官网 在欧洲也被称为微系统技术，在日本也被称为微型机器，是一类以体积小和制造方式为特征的设备。MEMS器件的特征长度从一毫米到一微米，比人的头发直径还要小很多倍。 MEMS通常...
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