Feeds

Secret of invisibility unravelled by US researchers

Finally, the formula for invisibility is ours. Mwahahaha...

Top three mobile application threats

Scientists at the University of California in Berkeley have engineered a material that can bend visible light around objects. This development could soon result in technology that can render tanks, ships and troops invisible to the eye.

Results of the US military-funded research are expected to appear in the scientific journals Science and Nature this week.

According to a report in the Sunday Times, this breakthrough follows earlier work undertaken at the Imperial College in London that achieved similar results with microwaves. Like light, these are a form of electromagnetic radiation, but their longer wave-length makes them far easier to manipulate. Achieving the same effect with visible light is a big advance.

Journalist's impression of troops equipped with the new cloaking technology on exercise

The head of research, Professor Xiang Zhang, said in the case of invisibility cloaks or shields, the material would need to curve light waves completely around the object like a river flowing around a rock.

In essence, an observer looking at the cloaked object would then see light from behind it, making it seem to disappear.

Substances capable of achieving such feats are known as metamaterials, which get their electromagnetic properties from their structural mix, rather than directly inheriting those of the substances composing them.

They have the power to grab electromagnetic radiation and deflect it smoothly. No such material occurs naturally and it's only very recently that molecular engineering has advanced sufficiently to give scientists the opportunity to create them.

Not since Project Rainbow, when in October 1943 the US Navy rendered the destroyer escort USS Eldridge invisible to human observers for a brief period, has such a breakthrough in light-refraction stealth technology been made.

Of course, that last bit's complete nonsense. ®

High performance access to file storage

More from The Register

next story
KILLER SPONGES menacing California coastline
Surfers are safe, crustaceans less so
Opportunity selfie: Martian winds have given the spunky ol' rover a spring cleaning
Power levels up 70 per cent as the rover keeps on truckin'
LOHAN and the amazing technicolor spaceplane
Our Vulture 2 livery is wrapped, and it's les noix du mutt
Liftoff! SpaceX Falcon 9 lifts Dragon on third resupply mission to ISS
SpaceX snaps smartly into one-second launch window
KILLER ROBOTS, DNA TAMPERING and PEEPING CYBORGS: the future looks bright!
Americans optimistic about technology despite being afraid of EVERYTHING
R.I.P. LADEE: Probe smashes into lunar surface at 3,600mph
Swan dive signs off successful science mission
Discovery time for 200m WONDER MATERIALS shaved from 4 MILLENNIA... to 4 years
Alloy, Alloy: Boffins in speed-classification breakthrough
prev story

Whitepapers

SANS - Survey on application security programs
In this whitepaper learn about the state of application security programs and practices of 488 surveyed respondents, and discover how mature and effective these programs are.
Combat fraud and increase customer satisfaction
Based on their experience using HP ArcSight Enterprise Security Manager for IT security operations, Finansbank moved to HP ArcSight ESM for fraud management.
The benefits of software based PBX
Why you should break free from your proprietary PBX and how to leverage your existing server hardware.
Top three mobile application threats
Learn about three of the top mobile application security threats facing businesses today and recommendations on how to mitigate the risk.
3 Big data security analytics techniques
Applying these Big Data security analytics techniques can help you make your business safer by detecting attacks early, before significant damage is done.