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San Francisco, USA

 

Automation and Safety

The National Transportation Safety Board release a draft report on the Asiana Airlines plane crash last year, which result in 3 death. Commenting on role of the autopilot auto throttle system, they said,

"in their efforts to compensate for the unreliability of human performance, the designers of automated control systems have unwittingly created opportunities for new error types that can be even more serious than those they were seeking to avoid."

I think this is a cautionary tale for the designers of self-driving car. When we have a system that is almost prefect but not completely infallible, it induce a new kind of risk because the operator becomes complacent and overly rely on automation.

2014.06.24 comments

 

我的六四回憶

六四已經過了二十五年了。一九八九年我十九歲,香港中大三年級生。回看昔日的激情,轉眼已經是一代人之前的事了。可悲的是傷痕還未痊癒,受害人的冤案還沒有平反。

我記得那一天是六四前五月左右的一天。那時學生在天安門駐紮了一段時間,政府突然變得強硬,晚上宣布戒嚴預備鎮壓。香港聽到消息又驚又怒,半夜有人立即跑到灣仔新華社抗議。我舊居就在新華社附近,媽媽早上告訴我半夜被吵鬧聲弄醒,我恨睡了不知道,不然定會跟他們跑去抗議。

當日是星期六,市面聽到許多不滿聲音,人們準備到維園聚集抗議。我相約了幾個同學加入,一齊步去維園,到場的人出人意表之多,把幾個球場都擠滿了。那天下午香港刮起八號風球,然而颱風和暴雨也阻擋不了熾熱的心,強風把雨傘吹翻了,我們索性不理,照樣在大雨之下集會,雙腳一直被球場的積水浸著。

然後我們成千上萬的上街去,擠到利舞台附近有人宣布政府退讓取消戒嚴了。我們都有種勝利的感覺,幾萬香港人冒雨上街遊行也有點功勞吧。回家後才知道全無此事,不知是誰散佈的謠言。這是我上的第一課,在亂局中人是太急切想知道訊息,謠言就應運而生。這種情況以後還會不斷遇到,像911即日流傳了不少謠言。上了一課,我以後對這些未經證實的消息就有所戒心。

我濕透的回家,母親問我跟人去「噓」嗎?我很不高興地說我們是去了抗議,不是去「噓」。一邊說一邊脫鞋,鞋子足足倒出一杯水來。不過無論我怎樣糾正母親,她始終也改變不了「噓」這個說法,跟她說話真沒趣。

這一天是香港上街回應北京民運的序幕,以後的遊行一次比一次大。不過我印象最深還是這一天,那次遊行是年青時浪漫的一幕。

2014.06.04 comments

 

past articles »

 

BBC News

 

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SF Gate

 

Jack Dorsey donates million to 15 cities to explore universal basic incomes, including Oakland (10 Jul 2020)

 

Ship traffic, July 13 (10 Jul 2020)

 

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