Lighting Engineering & Power Engineering,
Journal Year:
2023,
Volume and Issue:
62(1), P. 23 - 27
Published: April 29, 2023
The
article
analyses
the
methods
of
camouflage
used
in
modern
military
conflicts.
gives
a
historical
overview
equipment
and
personnel
since
beginning
twentieth
century.
mathematical
physical
principles
that
should
be
taken
into
account
manufacture
nets
are
discussed,
requirement
for
which
is
difficulty
recognising
differentiating
between
an
artificial
surface
real
terrain.
model
net
pattern
fractal,
self-similar
scale-invariant
object
noninteger
topological
dimension.
From
point
view
physics,
fractal
dimension
statistical
value
demonstrates
how
densely
fills
space.
This
means,
particular,
by
dividing
photo
cells
then
counting
number
black
relation
to
all
them
(in
simplest
case
winter
forest,
example),
you
can
find
out
average
indicator
landscape's
scale
similarity,
reproduced
on
grid.
In
context
active
operations
caused
russian
aggression,
effective
camouflage,
it
proposed
use
concepts
geometry
particular
nets,
maximise
imitation
natural
landscapes
structures
will
not
easy
recognise.
Science,
Journal Year:
2023,
Volume and Issue:
382(6677), P. 1379 - 1383
Published: Dec. 21, 2023
Aerogels
have
been
considered
as
an
ideal
material
for
thermal
insulation.
Unfortunately,
their
application
in
textiles
is
greatly
limited
by
fragility
and
poor
processability.
We
overcame
these
issues
encapsulating
the
aerogel
fiber
with
a
stretchable
layer,
mimicking
core-shell
structure
of
polar
bear
hair.
Despite
its
high
internal
porosity
over
90%,
our
up
to
1000%
strain,
which
improved
compared
that
traditional
fibers
(~2%
strain).
In
addition
washability
dyeability,
mechanically
robust,
retaining
stable
insulation
property
after
10,000
stretching
cycles
(100%
A
sweater
knitted
was
only
one-fifth
thick
down,
similar
performance.
Our
strategy
this
provides
rich
possibilities
developing
multifunctional
textiles.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(47)
Published: March 16, 2023
With
rapid
advances
in
optoelectronics,
electrochromic
materials
and
devices
have
received
tremendous
attentions
from
both
industry
academia
for
their
strong
potentials
wearable
portable
electronics,
displays/billboards,
adaptive
camouflage,
tunable
optics,
intelligent
devices,
etc.
However,
conventional
typically
present
some
serious
limitations
such
as
undesirable
dull
colors,
long
switching
time,
hindering
deeper
development.
Optical
resonators
been
proven
to
be
the
most
powerful
platform
providing
optical
confinement
controllable
lightmatter
interactions.
They
generate
locally
enhanced
electromagnetic
near-fields
that
can
convert
small
refractive
index
changes
into
high-contrast
color
variations,
enabling
multicolor
or
even
panchromatic
tuning
of
materials.
Here,
resonant-cavity-enhanced
an
advanced
emerging
trend
electrochromics,
are
reviewed.
In
this
review,
w
e
will
focus
on
progress
based
different
types
applications,
including
multichromatic
displays,
visible
visualized
energy
storage,
applications
multispectral
tunability.
Among
these
topics,
principles
resonators,
related
materials/devices
properties
comprehensively
discussed
summarized.
Finally,
challenges
prospects
presented.
Nanophotonics,
Journal Year:
2024,
Volume and Issue:
13(13), P. 2391 - 2400
Published: March 21, 2024
Abstract
Camouflage
is
a
common
technique
in
nature,
enabling
organisms
to
protect
themselves
from
predators.
The
development
of
novel
camouflage
technologies,
not
only
fundamental
science,
but
also
the
fields
military
and
civilian
applications,
great
significance.
In
this
study,
we
propose
new
type
deep-subwavelength
four-layered
meta-coating
consisting
Si,
Bi,
Cr
top
bottom
with
total
thickness
∼355
nm
for
visible-infrared
compatible
camouflage.
visible
color
infrared
emission
properties
can
be
independently
adjusted.
Colorful
obtained
by
changing
Si
layer,
while
selective
high
emissivity
non-atmospheric
window
remains.
Due
properties,
shows
angle
tolerance
both
regions.
capability
our
proposed
region
validated
under
different
environments.
deep-subwavelength,
angular
insensitivity,
compatibility
large-area
fabrication
feasibility
promise
an
effective
solution
various
applications
such
as
weapons
anti-counterfeiting.
Abstract
In
modern
war
of
“find
and
destroy,”
hiding
the
target
is
one
essential
means
to
improve
battlefield
survivability
personnel,
weapons,
equipment.
Infrared
stealth
technology
started
emerge
when
in
visible
light
band
could
no
longer
meet
protection
requirements.
With
rapid
development
infrared
detection
technology,
materials
are
gradually
diversified.
At
present,
focuses
only
on
low
emissivity,
but
from
multiple
perspectives
achieve
stealth,
such
as
tunability
optical
properties,
good
thermal
management,
multi‐spectral
compatibility
stealth.
same
time,
shifted
passive
active,
emphasizing
dynamic
integration
environment.
This
review
summarizes
research
progress,
development,
application
materials.
Camouflage
dye
coating
classified
traditional
technologies,
however
new
developments
novel
processes
literature
can
be
constantly
retrieved
over
years.
addition
dyeing/coating
this
also
highlights
advanced
insulation
materials,
phase
change
electrochromic
metamaterials,
bionic
Outlines
technologies
mainly
focused
those
published
recent
Challenges
prospects
for
future
presented
at
end
review.
Biomimetics,
Journal Year:
2023,
Volume and Issue:
8(3), P. 284 - 284
Published: July 2, 2023
Modern
material
design
aims
to
achieve
multifunctionality
through
integrating
structures
in
a
diverse
range,
resulting
simple
materials
with
embedded
functions.
Biological
and
organisms
are
typical
examples
of
this
concept,
where
complex
functionalities
achieved
limited
base.
This
review
highlights
the
multiscale
structural
functional
integration
representative
natural
materials,
as
well
biomimetic
examples.
The
impact,
wear,
crush
resistance
properties
exhibited
by
mantis
shrimp
ironclad
beetle
during
predation
or
offer
valuable
inspiration
for
development
aerospace
field.
Investigating
cyanobacteria
that
thrive
extreme
environments
can
contribute
developing
living
serve
places
like
Mars.
exploration
shape
memory
self-repairing
spider
silk
mussels,
investigation
sensing–actuating
sensing–camouflage
mechanisms
Banksias,
chameleons,
moths,
holds
significant
potential
optimization
soft
robot
designs.
Furthermore,
deeper
understanding
mussel
gecko
adhesion
have
profound
impact
on
medical
fields,
including
tissue
engineering
drug
delivery.
In
conclusion,
structure
function
is
crucial
driving
innovations
breakthroughs
modern
their
applications.
gaps
between
current
designs
also
discussed.
International Journal of Optomechatronics,
Journal Year:
2024,
Volume and Issue:
18(1)
Published: April 14, 2024
In
the
realm
of
optical
technologies,
integration
nature's
designs
and
modern
engineering
has
paved
way
for
groundbreaking
innovations.
Bio-inspired
tunable
optics
photonics,
drawing
from
intricate
mechanisms
found
in
biological
systems,
offer
a
new
frontier
adaptive
efficient
light
management.
Here,
this
review
presents
comprehensive
examination
principles,
advancements,
applications
natural
light-manipulation
adaptation
mechanisms,
highlighting
their
translation
into
artificial
photonic
structures.
Emphasizing
remarkable
potential
bio-inspired
particularly
those
emulating
functionalities
eyes
skins,
it
explores
current
state
devices.
Our
categorizes
these
systems
two
foundational
mechanisms:
light-adaptation,
illustrating
wide-ranging
implications
consumer
electronics
to
next-generation
technologies.
This
also
highlights
challenges
prospects
photonics.
It
emphasizes
role
promoting
properties
multifunctional
devices,
providing
revolutionary
opportunities
across
various
sectors,
including
military
everyday
life,
thus
surpassing
cutting-edge
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(11), P. 13407 - 13416
Published: May 30, 2024
Insulation
materials
can
effectively
reduce
heat
loss
by
conduction,
thereby
conserving
energy
in
buildings.
Traditional
insulation
usually
consist
of
organic
compounds,
which
are
flammable.
Despite
the
application
inorganic
materials,
such
as
fiberglass
(GF),
for
their
flame-retardant
properties,
poor
insulating
performance
and
difficulties
dispersion
molding
limit
use
construction.
Therefore,
creating
a
composite
that
combines
high
thermal
properties
with
flame
resistance
holds
significant
importance,
yet
poses
substantial
challenges.
Herein,
an
Anisotropic
Noncombustible
Nanocomposite
based
on
Fiberglass-Chitosan
(ANNFC)
has
been
prepared.
GF
was
uniformly
dispersed
into
chitosan
(CS)
solution
though
hydrogen
bonding.
The
ANNFC
anisotropic
layered
structures
prepared
through
freeze-orientation
process.
as-prepared
reached
limiting
oxygen
index
(LOI)
99.48%,
exhibited
low
release
rate
(peak
at
26
kW
m–2),
smoke
production
0.00143
m2
s–1),
compressive
modulus
(3.65
MPa).
As
conceptual
demonstration,
mini
house
constructed
using
ANNFC.
After
being
baked
temperature
50
°C
1
h,
interior
maintained
relatively
steady
37
°C.
successfully
provided
feasible
path
fabricating
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 31, 2025
Abstract
Ceramic
materials
are
widely
used
in
various
protective
equipment
owing
to
their
excellent
mechanical
properties
and
chemical
stability,
while
applications
limited
by
monotonous
color
poor
toughness.
Inspired
the
colorful
tough
natural
shells,
nacre‐mimetic
alumina
(Al
2
O
3
)‐based
(NMA)
composites
fabricated
proposing
a
dual‐oxide
interface
design
strategy
inspired
hierarchical
structure
of
nacre.
The
NMA
achieve
regulation,
providing
possibilities
for
application
camouflage
armor.
fracture
toughness
optimal
composite
is
more
than
three
times
that
commercial
Al
ceramic.
Simultaneously,
have
obvious
advantages
terms
impact
resistance
compared
with
ceramic
polymer
polymethyl
methacrylate
(PMMA).
Additionally,
provides
favorable
structural
conditions
transmission
electromagnetic
(EM)
waves
at
frequency
band
18–26.5
GHz.
These
characteristics
make
potential
radar
communication
equipment.
