Jubah halimunan Harry Porter akan menjadi kenyataan ???

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A physicist at the University of Texas Dallas has successfully created the elusive invisibility cloak immortalized in the pages of Harry Potter. Ali Aliev, the researcher behind the feat, said he was able to make the cloak using carbon nanotubes, which look like thin strands of thread. Mr Aliev told MSNBC: "We really can hide objects. ... We can switch for a short moment and make it disappear.’In a video posted to YouTube, the strands are seen appearing and disappearing during a demonstration in Mr Aliev’s lab. He told the network: 'It's interesting for ordinary people, because usually [scientists] show something microsized under some microscope. 'But here, in real time, real objects [were] disappearing.' In Sweden, scientists are working on an invisibility cloak which could protect tanks from heat seeking missiles.


Now you see it: The 'invisibility cloak' was demonstrated in the University of Texas lab of Ali Aliev


Now you don't: The 'cloak' uses carbon nanotubes, which resemble strands of thread

http://www.youtube.com/watch?v=Nfnbj9r1-2I&feature=player_embedded

Lagi..

Last April, the seemingly impossible task of rendering an object invisible was realized: Two separate lab teams – Xiang Zhang and his lab team at UC Berkeley, and Michal Lipson and his colleagues at Cornell University – released news of the first “Isotropic Dielectric Optical Invisibility Cloak”, a carpet-like fabric that steers light around an object so it cannot be seen by an observer. Strangely enough, both laboratory teams released news of their Invisibility Cloak independently (supposedly invisible to each other), the same week last April (although they both based their design on the vision of John Pendry, a theoretical physicist at London’s Imperial College).

The cloak is essentially a two-layer slab of curved mirrors with a tiny bump where an object hides. Tiny silicon nanopillars on the reflective surface bend the light to give the optical illusion that the surface is entirely flat and that the observer is seeing directly through to the background on the other side.

This April, after months of skeptical physicists’ attempts to find a flaw in the cloak, Baile Zhang’s MIT lab finally did. The cloak works by distorting the energy fields that ordinarily travel perpendicular to light waves. However, Zhang and his researchers passed light rays through the cloak material, and discovered that the illusionary effect depends on the angle at which the observer is looking. If an observer looks at the cloak straight on, perpendicularly, it hides the object. But as the angle of observation strays from perpendicular, the object becomes less hidden. At a 45 degree angle, instead of making an object invisible, the cloak just shifts and distorts it.




http://www.youtube.com/watch?v=JKPVQal851U&feature=player_embedded

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sosimple

hebat!

wakdogol

mana nak beli tu

mironewQ

sempoiiiiiii

boyagombak

Kalu jalan, kena langgar dengan keta bas lori ataupun orang, bleh kaver insuran ka
Jap lagi nampak orang naik muto, orangnya taknampak, tak ke haru dunia jadinya

niezam_cs

kalu dapat kat perompak nie abis la...