其實小型核彈存唔存在?

其實小型核彈存唔存在?把核武微型化,可以嗎?

Well, from the Use of Atomic Bomb till now, there are all sort of nuclear weapon was developed over the both sides, some of them were already taken out of the market, but some of them still remain.

The fact to the matter is, how small you want your nuke to be? And there would be one suiting your need, given if you are given the right to obtain those things....

The smallest nuke's nuke believed to be the Davy Crockett (Well, at least what it is in the US/Western Arsenal and not include dirty bomb)


圖片參考：http://upload.wikimedia.org/wikipedia/commons/thumb/4/43/DavyCrockettBomb.jpg/200px-DavyCrockettBomb.jpg


It is a recoilness rifle type RPG-risqe Mobile Nuke platform. Developed in the 1950s.

Then,it come down to Nuclear Artillery, which both side uses normal artillery piece as delievery platform for Nuclear Warhead.


圖片參考：http://upload.wikimedia.org/wikipedia/en/thumb/0/08/Mk33.jpg/320px-Mk33.jpg


The W-33 nuclear Warhead fitted to a M110 Howitzer


圖片參考：http://upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Upshot-Knothole_GRABLE.jpg/250px-Upshot-Knothole_GRABLE.jpg


Non-related Nuclear Artillery demostration

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However, those small device were only called Nuke's Nuke, which is a Weapon of mass destruction. There are other such as Dirty nuke and pencil EMP device that does not have a limitation of size.

以美國現今的國力,做唔做到?

The lastest and smallest nuke for US is actually not a nuke at all, it's the "Pencil EMP Bomb" which have a size of a normal pen or pencile.

However, instead of ink and graphite core, they replace it with reactive sustance so when the "ink" or "graphite core" react with the tip (act as a detonator) a small nuclear fisson will occur and the bomb will then "detonate"

Since the fission is so small the damage done is not considerable, but the fission would have a by-product, which is EMP wave, which will fried all electricity circuit in the near perimeter.

Rumor has it is in service with the CIA field agent. I cannot tell you any further as most information i know is classified.......And honestly, i don't know much on this anyway...

炮兵兄既問題幾有趣，咩size既核彈先可以叫做微型化﹖樓上王略兄對核彈微型化有少少誤解，不過佢舉既中子彈例子的確係核彈微化後其中一個實用既例子，但核彈微化並不僅是指中子彈而已，而係所有核武既小型化過程。

最初既核武，即投到廣島及長崎既小男孩(Little Boy)及胖子(Fat Man)雖然係當時既科技最高結晶，但其實兩個炸彈尺寸巨大，佢地各自長三米，胖子闊1.5米，小男孩雖然纖幼啲，但都有28吋闊，而兩彈各自重四噸。咁巨型既炸彈，係1944年之前根本就無現役既飛機可以運載，後來B-29出現先可以運載佢地。據聞B-29正正係為左運載核彈而設計，但即使係呢架咁巨型既飛機，每架都只可載運一個核彈。

戰後美蘇兩國都有核武，但雙方係1960年代之前造出來既核彈都非常巨型，必須用大型飛機如B-29、B-36、B-47、B-50、B-52、米亞-4、圖-95等載運。但由於大型轟炸機飛行速度慢，體積太大，所以兩國都想發展洲際導彈取而代之。不過洲際導彈酬載量少，如果想用導彈帶核彈，核彈必須要小型化。另外，小型化核彈亦可裝於巡航導彈、魚雷、甚至係炮彈上，咁樣使用核武時將可以更靈活。美、蘇、英、法、中五強既核武小型化相繼於1960年代至1970年代完成，因此呢五國先可以將核彈用洲際導彈運載。

時至今日，核武小型化又有另一個意思。佢既意義大概近似於樓上兩位仁兄既意思，核武體積不僅被大大縮小，連威力都刻意被縮小，因為過去核武威力過大，附加破獲力亦太大，令核武無法被使用。威力縮小後既核武就可以有較受控既破壞力，使用時可更靈活，呢樣野令未來世界更危險，因為使用核武既顧慮反而心以前更少。

樓主所講的微形核彈指是幾細呀！是否一粒子彈咁細呢？如是這我就未聽過。但一個背囊裝得落的核彈就早已有，威力可有幾千頓TNT咁勁。

有。但不叫微型核彈，叫中子彈。是以核輻射來破壞人體細胞組織在短時間內死亡。但因只是以貫穿能力的輻射，所以強裝甲車輛、建築物和武器卻能完好。
美國由1978年至1983年共生產945枚、中國在80年代掌握其技術、印度於1999年宣稱能製造中子彈。