外刊阅读：A solar power solution for
现在喜欢户外徒步的人越来越多。他们往往会遇到一个问题，就是手机没电的时候不好充电。有人发明了一个放在背包上的太阳能装置，只要有了它，在荒郊野外一样可以充电。
A solar power solution for backpackers
by Rima Sabina Aouf
The best of rigid and flexible solar panels combine in SunUp, a product for outdoor adventurers invented by Brunel University design graduate Bradley Brister.
rigid /ˈrɪdʒɪd/ adj. 硬质的、不弯曲的
flexible /ˈfleksəb(ə)l/ adj. 柔性的、可弯曲的
solar /ˈsəʊlə(r)/ adj. 太阳的、太阳能的
panel /ˈpæn(ə)l/ n. 平板、面板
combine /kəmˈbaɪn/ v. 合并、结合
adventurer /ədˈventʃərə(r)/ n. 冒险者、探险者（由adventure加上表示人的后缀-er）
graduate /ˈɡrædʒuət/ n. 毕业生
The problem, as keen hiker Brister describes it, is that currently people heading off-grid need to choose between a solar-powered charger that is efficient and one that is durable.
keen /kiːn/ adj. 热衷的
hiker /ˈhaɪkə(r)/ n. 徒步者
currently /ˈkʌr(ə)ntli/ adv. 现在、目前（由current加后缀-ly变成副词）
head /hed/ v. 朝某个方向前进
grid /ɡrɪd/ n. 电网（off-grid指离开电网）
power /ˈpaʊə(r)/ v. 提供电力
charger /ˈtʃɑːdʒə(r)/ n. 充电器（由charge加上表示人或物的后缀-er）
efficient /ɪˈfɪʃ(ə)nt/ adj. 高效的、效果好的
durable /ˈdjʊərəb(ə)l/ adj. 持久的、耐用的
Rigid solar panels, which are made of crystalline（晶体的） silicon（硅）, are the most efficient, but they easily break. The flexible options, made with a thin film of amorphous（非晶体的） silicon, withstand rougher conditions but are much less efficient.
film /fɪlm/ n. 膜、薄膜
withstand /wɪðˈstænd/ v. 承受得住
rough /rʌf/ adj. 艰难的、严峻的
conditions /kənˈdɪʃənz/ n. 环境
"Solar panels are primarily designed for stationary（静止不动的） use and current attempts at making them durable and convenient enough for use on the trail have fallen significantly short," said Brister.
primarily /praɪˈmer(ə)li/ adv. 主要地（由primary加后缀-ly变成副词）
current /ˈkʌr(ə)nt/ adj. 现在的
convenient /kənˈviːniənt/ adj. 方便的
trail /treɪl/ n. 步道、小径
fall short 未达到（目标）
significantly /sɪɡˈnɪfɪk(ə)ntli/ adv. 显著地（由significant加后缀-ly变成副词）
His solution in SunUp is to combine a number of small polycrystalline（多晶体的） solar panels with flexible joints. The system is designed to sit snugly（紧紧地） over a backpack, but it can also be draped（遮盖） over other surfaces, such as the top of a canoe（独木舟）. This way, SunUp users can enjoy the efficiency of a rigid solar panel with the robustness（健壮性） of a bendable one. "The actual technology driving this project isn't anything new, however, the way it is combined is unique," the designer added.
joint /dʒɔɪnt/ n. 接头
backpack /ˈbækpæk/ n. 双肩背包
surface /ˈsɜːfɪs/ n. 表面
efficiency /ɪˈfɪʃ(ə)nsi/ n. 效率、高效
bendable /ˈbendəb(ə)l/ adj. 可弯曲的（由bend加后缀-able变成形容词）
actual /ˈæktʃuəl/ adj. 实际的
drive /draɪv/ v. 推动
project /ˈprɒdʒekt/ n. 项目
unique /juːˈniːk/ adj. 独特的
Brister completed SunUp as his final-year project in the Product Design Engineering bachelor's course at Brunel University, which had its students collaborate with the outdoor equipment brand The North Face.
bachelor's /ˈbætʃ(ə)ləz/ 指学士学位
collaborate /kəˈlæbəreɪt/ v. 合作、协作
equipment /ɪˈkwɪpmənt/ n. 装备
brand /brænd/ n. 品牌
The designer paid particular attention to the hinge（铰链） mechanism. He built the system's circuits into these metal hinges so the joints are conductive（导电的） and won't work-harden over time.
mechanism /ˈmekənɪz(ə)m/ n. 机械装置
circuit /ˈsɜːkɪt/ n. 电路
work-harden 指长期使用之后变硬
over time 随着时间的推移
"Each module is interlinked by a conductive hinge with no mechanical deformation（变形） when in use so it doesn't have the usual issue of only bending 5000 times before snapping," Brister said. "The design can theoretically be flexed（弯曲） and bent indefinitely or at least until the surfaces just wear down."
module /ˈmɒdʒuːl/ n. 模块
interlink /ˌɪntəˈlɪŋk/ v. 相互连接（由link加上表示相互的前缀inter-）
mechanical /məˈkænɪk(ə)l/ adj. 机械的
snap /snæp/ v. 突然断裂
theoretically /θɪəˈretɪk(ə)li/ adv. 理论上（由theoretical加后缀-ly变成副词）
indefinitely /ɪnˈdefɪnətli/ adv. 无限地
wear down 磨损、磨坏
The product has some modularity（模块性）, since it is easy to replace any broken panel without replacing the whole system. It currently has a 4000 mAh battery that charges within 12 hours. Brister tested his prototype（原型） in the field and hopes to develop it into a more modular product in the future, so that users can customise（自定义） the panel arrangement.
charge /tʃɑːdʒ/ v. 充电
in the field 在实地
modular /ˈmɒdʒələ(r)/ adj. 模块化的
arrangement /əˈreɪndʒmənt/ n. 排列、摆放（由arrange加后缀-ment变成名词）
SunUp was one of two runners-up in the UK heats of the James Dyson Awards, which recognise the best in student design and engineering from around the world.
runner-up 亚军、第二名
heat /hiːt/ n. 预选赛
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