Saturday, December 23, 2006

Space Elevators: A Future I can Envision.. Part 1

Concept art of a space elevator. Source: Lift Port Group
(see part 2) So, what exactly is a space elevator? It's exactly what you'd imagine; an elevator that goes into space. Basically the ideas proposed for a space elevator consists of a "base station" that has a geosynchronous counterweight tethered to it.

The four basic elements required for such a concept are: the base station (as previously mentioned), a cable sometimes referred to as the "ribbon", climbers (the elevator portion), and the counterweight.

The base station could come in a variety of forms. One being a mobile form. The base would most likely be positioned in the ocean or another large body of water. Its mobility could be used to maneuver away from satellites and other orbiting objects but I think something as amazing
Concept art of a potential Base Station. Source: Lift Port Group
and "game-changing" as a space elevator would take precedence. It would be much simpler to change the orbits of everything else and use the cost/material advantageous method of a stationary base. A stationary base could theoretically have a significantly shorter, required cable length depending on altitude. A shorter cable could also reduce the required thickness of the cable as a whole, eliminating even more cost and materials necessary.

The technology for cable construction is not as far away as one might think. It is estimated that the tensile strength required for the tether would have to be in the range of 65-120 Gigapascals. To put it into perspective steel has a mere 2 GPa or less of tensile strength. Fortunately, the advent of carbon nanotubes has produced strands that could resist as high as 52 GPa before snapping and the theoretical capability is beyond 120 GPa. Mass production and creating large strands is currently an issue but the future looks optimistic as the demand for carbon nanotubes is way beyond just space elevators. We're talking computers, planes, bridges, rockets, and other materials in general. Demand is high and likewise research too.

Concept design of a Climber. Source: Lift Port Group
Climbers would serve as the "elevator" of the system but due to a construction requiring a larger center than tips ( necessary because of centripetal forces) it would not use typical elevator methods. Hence, the name climbers. The proposed designs, friction held rollers and robotic arms with hooks, present less of a challenge than actually powering the climbers. The best method I've read about so far has been powering it by lasers. The concept would be similar to a laser powered solar sail (look for a post about this in the upcoming future). This technology is still in its infancy and isn't very efficient currently but it looks very promising.

Lastly, we have the counterweight. Many have pushed the idea of an asteroid as a counterweight but I happen to like the potential of the alternative: a space station. Not a whole lot to explain here and I'm sure you could imagine some of the capabilities a space station on top of a space elevator could have. I.E. spaceport, research labs, weightless space construction, space hotels, etc. etc.

Lifting the cable into space presents a bit of a problem but Bradley C. Edwards (former Director of Research for the Institute for Scientific Research) has proposed a highly efficient method for doing so. The method involves creating an initial, "seed" cable that is very thin and launching it first. Next, small climbers would progressively add thicker and thicker cables from the ground up until the desired proportions are reached.

Initial costs are also relatively "affordable" for a system similar to the seed cable, starting at an estimated $5 billion.

My next post will concern the advantages and the costs that a space elevator would have in more, specific depth. I invite you all to come back and read it and to also post any questions or comments that you would like to see addressed in the next article.

Related Articles:


Anonymous said...

I found this site using [url=][/url] And i want to thank you for your work. You have done really very good site. Great work, great site! Thank you!

Sorry for offtopic

Anonymous said...

Did you downloaded Wikileaks docs? Give me link plz
Hope for answer

Anonymous said...

When we check out the specification of the phrase love, not only in terms of an enchanting connection utilizing one other, but for a experiencing that could be engendered in case you have miltchmonkey a more rewarding partnership with ourselves way too * and even being a sensation of increased oneness household and also humanity * it then gets far more crystal clear that each someone is looking for in your everyday living can be really like.

梁爵 said...

2019.10.05知名酒店經紀獨家分析:每當看到酒店上班酒店小姐被「框」出場性侵的新聞,就覺得很無奈,一方面是為了有酒店上班姊妹遇到這樣的事情很難過,一方面是被新聞誇張不實報導,引起社會的恐慌甚至各大留言板的對話更讓人翻白眼。某些人,對大學生/上班族酒店兼差的新人對於「框」有很大的誤解。八大行業資深酒店經紀解釋裡說的「框」,是指直接包下小姐特定的時間。其實最單純來說,功能有兩種:把小姐找過來或留下來、帶小姐出店家。有時候到店家找自己認識的小姐,但酒店小姐目前在手工(打手槍) 、口爆(口交)服務其他客人,想要把該名小姐找過來,如果用點的,遇到對方喊加點,就只能喊框了;或是有其他客人想點走正在服務自己的小姐,加點後對方又喊框,如果這時前桌喊框,效力是優於後桌的。看起來很複雜,但簡言之,就是把小姐留在自己身邊的一種方法。而「框出」的定義和內涵,就值得深入討論了。歡迎想要高收入賺現金酒店打工的大學生/上班族,可上網求證對八大行業得相關資訊做核對比對甚至多比較,才能賺錢賺得安心,同時也要保護自己。

梁爵 said...

2019.10.11 酒店上班類型多,酒店工作求職者尋職時不一定都能了解職務內容,台北知名酒店經紀公司為大學生、上班族酒店兼差就業通特別製作影片,邀請八大行業職場酒店小姐闡述工作甘苦並給予尋職建議,盼助酒店打工求職者找到適合工作。台灣社會有許多職業,許多求職者往往不瞭解酒店工作內容前往求職,才發現與想像中不同。知名酒店經紀梁小尊/梁曉尊指出,求職者常嚮往看似光鮮亮麗的工作,但其實這些工作背後,卻往往有著難以想像的辛苦。為了避免在學大學生以及上班族兩大族群渴望酒店兼職求職者對職務期待有所落差,八大行業酒店經紀公司特別規劃製作「框出陪睡(性交易)」職業介紹影片,透過拍攝各行各業職場酒店小姐一日的工作內容,讓對這些職業有興趣與志向的求職者及大學生新鮮人更了解八大行業酒店上班產業趨勢與職務工作內容,做好求職前的準備工作。

梁爵 said...


梁爵 said...


梁爵 said...

2019.10.29台北市八大行業酒店上班即時新聞:隨著近年知名網紅跨國賣淫,讓酒店工作市場發展酒店小姐接S(性交易)崛起,然而有特別性服務文化仍為消費者的青睞,如:顏射(精子射在臉上) 、口交口爆(精子射在嘴裡) 、戴套肛交進行交易專業精緻化,也大大提昇上班族願意酒店兼職提高薪資水平,尋找優秀人員的意願。本次大學生酒店兼差有為1節最高可達$200元,對於找兼職求職者可以說是敞開大門,彈性排班的多元酒店上班就業機會,釋出兼差兼職酒店打工最高可達$100K。本週還邀請「知名酒店經紀有限公司」,以[翻轉低薪、搶救年輕人]為軸心,致力於推動八大行業酒店上班為目標。歡迎就業、轉職、兼職需求的民眾把握難得八大行業徵才酒店小姐的機會,著正式服裝至現場與徵才直接面試,找到合適的酒店工作。

梁爵 said...

1: 酒店打工小姐們如何判斷自己適合在什麼的店呢?誠懇面對自己外型條件吧(外表是可以調整的)這行是以外型取勝!(當然沒有人願意犧牲啊),任何一份工作都有它辛苦的面何況高收入的八大行業。
2: 酒店兼差一週可以上幾天班? 能配合哪個時間打卡上班? 是否有門禁問題?
3: 酒店工作和白天工作一樣!目標是一樣的就是【賺錢】都是要花固定的時間來上班(如:服裝、髮妝、談吐、氣質)把最好的展現出來。上班天數多寡,當然取決於妳的收入。
4: 選擇酒店經紀很重要,小姐放在對的酒店一天酒店兼職可以賺個$5000~$8000不是問題。如果酒店小姐收入不如預期,而店裡生意也不差,妳就要思考是否繼續這份競爭力的環境!應該考慮換店或換跑道,(別等店家開口要妳離職)。
2020不怕找不到酒店經紀 大數據Google搜尋:梁曉尊/梁小尊
不擔心拿低薪 高水平 高標準 公開 透明 亞洲地區Google認證