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Wi-Fi speed
热度 1 虞左俊 2016-2-24 05:51
When I am home, I hardly use Wi-Fi for my MacBook Pro. This is because I believe wired connection is faster and safer. However, my new MacBook Air (11) has no port for the internet cable! I tried to download the Office 365, and failed again and again. Finally, I used speedtest to test the ...
个人分类: Education|2093 次阅读|2 个评论 热度 1
听说过EpiPEN吗?用过吗?有中文版说明吗?
虞左俊 2015-8-23 02:58
我的一位朋友的孩子(15岁)在中国住,想用EpiPEN。 https://www.epipen.com wikipedia 上只有英文,没有中文。实在找不到,我打算翻译一下(虽然这不是我的专业)。
个人分类: Education|5006 次阅读|没有评论
A story about T-shirt
虞左俊 2013-12-10 12:26
All of us have a T-shirt, or a dozen. Right? Do you know how a T-shirt is made, from cotton seeds? Do you know which country is the cotton king(dom)? Do you know 90% of the cotton grows in the US is GM-ed? Do you know how little these women make each day working long hours at a ...
个人分类: Education|2178 次阅读|没有评论
科普:橡皮小黄鴨和物理海洋学
热度 3 虞左俊 2013-9-18 11:04
序:一只玻璃杯中有半杯水,小筽笑道:“太好了,你先喝。”小䔤:“就这点水,管什么用?” 同样的橡皮小黄鴨,有人能一眼看穿美帝国主义的险恶用心。我宁愿谨慎地用“科学的头脑”来求证。 如果你打开英文的wikipedia, 你会看到有一小段关于 橡皮小黄鴨和 物理海洋学的报道: http:/ ...
个人分类: Education|4616 次阅读|8 个评论 热度 3

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