Photo courtesy Robboguy
He’s the one on the
right
Make Yourself Invisible!
Stephen [email protected]
http://granades.comtwitter.com/sargent
Photo courtesy buttersweet
So what’s invisibility?
Classical invisibility
Metamaterials (may) solve it!
Photos courtesy UnstablePixel and AF-Photography
Photos courtesy UnstablePixel and AF-Photography
Photo courtesy One Tree Hill Studios
GIANT PLUG
Photos courtesy UnstablePixel and AF-Photography
Photo courtesy miss_blackbutterfly
Photo courtesy CyboRoZ
Stephen’s making a LARP
joke. Humor him please
Photo courtesy buttersweet
So what’s invisibility?
Classical invisibility
Metamaterials (may) solve it!
300,000 km/s
200,000 km/s
material in thelight of speed
vacuumain light of speedn
11.33
1.000227
2.417
Photos courtesy tim.perdue, kevindooley, and jurvetson
Photo courtesy Wysz
glass core
(higher n)
cladding
(lower n)
Photo courtesy NASA
Photo courtesy buttersweet
So what’s invisibility?
Classical invisibility
Metamaterials (may) solve it!
Photo courtesy /mrpunto
Magic!
material in thelight of speed
vacuumain light of speedn
11.33
1.000227
2.417
Photos courtesy tim.perdue, kevindooley, and jurvetson
F@#*ING METAMATERIALS,HOW DO THEY WORK?
Photo courtesy kbrookes
One wavelength
Photo courtesy Jason Valentine/UC Berkeley
Photo courtesy Jason Valentine/UC Berkeley
material in thelight of speed
vacuumain light of speedn
n
ε = relative electrical
permittivity
μ = relative magnetic
permeability
ε, μ > 0
ε, μ < 0
ε < 0, μ > 0
ε > 0, μ < 0
?Photos courtesy tim.perdue, GrungeTextures, and Steffe
DOUBLE NEGATIVEMETAMATERIALACROSS THE SKY
Photo courtesy jcbwalsh
Photo courtesy Nature
Photo courtesy dimas_
Photo courtesy Duke University
David Smith
Metamaterial
Photos courtesy Duke University
Photo courtesy Univ. of Maryland
Photos courtesy UC Berkeley
Photos courtesy Karlsruhe Institute of Technology and Science
Photo courtesy buttersweet
So what’s invisibility?
Classical invisibility
Metamaterials (may) solve it!