kevan + light   92

Avocados with laser-printed labels go on sale at M&S in bid to cut paper waste
"The labels, which are etched onto fruit's skin with lasers instead of stickers, will save 10 tonnes of paper and five tonnes of glue every year according to M&S."
light  paper  food  plants  technology  litter 
7 weeks ago by kevan
US: Bird wearing tiny goggles safely flies through laser beam | Laser Pointer Safety - Statistics, laws, and general laser pointer news
"Unexpectedly, the wing tip vortices did not stay stable as happens with aircraft, but instead broke up quickly and violently."
birds  light  science 
march 2017 by kevan
KBNNO: Mineral turns sunlight, heat and movement into electricity all at once
"[KBNNO] may be considered a proper and capable candidate to trigger developments of all-in-one hybrid energy harvesting and multi-functional sensing devices based on only a single piece of material."
science  stone  electricity  light 
february 2017 by kevan
Glowing statue eyes - Instructables
"[A]dding red LED's in the eyes of statues makes them look diabolical, and brings the focus back to statues after the sun goes down."
eyes  light  stone  monsters 
october 2016 by kevan
Light Capsules from Craig Winslow | Ghostsigns
"These ‘Light Capsules‘ are a non-invasive way of bringing ghostsigns back to life, allowing the letter forms and colours to be fully visible again." Bankside and Stoke Newington, 17-24 September.
light  history  signs  via:sarah 
september 2016 by kevan
Prehistoric tombs may have doubled as star-gazing observatories | New Scientist
"Now archaeoastronomers are making the case that [passage graves] could also have been used for spotting stars at dawn, when they are normally too faint to see."
history  secrets  space  light  eyes 
july 2016 by kevan
FBI offers rewards to stop laser attacks on airplanes - CBS News
"Aiming a laser at an aircraft is a federal crime. Since the FBI began tracking laser strikes in 2005, there has been a more than 1,100 percent increase in the deliberate targeting of aircraft by people with handheld lasers."
light  crime  transport  police 
october 2014 by kevan
Optical brain scanner goes where other brain scanners can’t | Newsroom | Washington University in St. Louis
"The technique works by detecting [LED] light transmitted through the head and capturing the dynamic changes in the colors of the brain tissue."
brains  light  science 
may 2014 by kevan
Digital Sundial | HinesLab, Inc
"During the day, bands of sunlight sweep over the ends of optical fibers in the encoding cylinder. Light travels through the fibers to illuminate the segments of the display to form readable numbers."
light  time  technology 
january 2014 by kevan
Exclusive: Walkie Scorchie melted my Jag | City A.M.
"The building’s unusual shape is reflecting an ultra bright light onto Eastcheap, with those unlucky enough to park below finding the beam is causing serious damage."
london  architecture  light  dubious  via:sarah 
september 2013 by kevan
Egyptian Protestors Target Helicopters With Laser Pointers
"As military helicopters flew overhead, demonstrators used laser pointers to paint them in a multi-colored shower of light."
transport  light  emergence 
july 2013 by kevan
Dim Lighting Sparks Creativity - Pacific Standard
"Those in the dimly lit room solved significantly more problems correctly than those in the brightly lit room. They also felt freer and less inhibited than their intensely illuminated counterparts."
light  brains 
june 2013 by kevan
What a Wonder is a Terrible Monitor « ASCII by Jason Scott
"The phosphor glows [in Asteroids], the shots look like small stars floating across the glass, and a raster line is not to be seen. It’s an entirely different experience, and the teenagers at MAGfest had never seen it before, and unfortunately, it is well on its way out."
games  computers  history  light  via:blech 
december 2012 by kevan
Wildlife confused by polarised light pollution - environment - 08 January 2009 - New Scientist
"To animals tuned to distinguish polarised light and use it as an environmental cue, "these objects look more like water than water," he says. "Even when given the choice between water and human-made surfaces, some insects prefer to lay their eggs on – and settle near – the latter.""
light  pollution  insects  illusions 
may 2012 by kevan
How to see around corners : Nature News & Comment
"Photons bounce off the wall onto the hidden object and back to the wall, scattering each time, before a small fraction eventually reaches the camera, each at a slightly different time. It's this time resolution that provides the key to revealing the hidden geometry."
light  surveillance  technology 
march 2012 by kevan
Giant squid, what big eyes you have. All the better to spot sperm whales with, my dear. | Not Exactly Rocket Science | Discover Magazine
"Nilsson and Warrant showed that its huge eyes could pick up [the light of bioluminescent creatures dispersed by a whale] from 120 metres away, and they can scan a huge sphere of water for those tell-tale flashes."
squid  light  evolution 
march 2012 by kevan
BBC News - Laser 'unprinter' wipes photocopied ink from paper
"[When] you print something the only reason that you don't re-use the paper is because there is print on it. The paper is still in good condition and there is no point in going through all the heavy industrial [recycling] process if the paper is still perfectly fine."
paper  light 
march 2012 by kevan
For Your Eyes Only: Polarizing Privacy Monitor Mod | Gadget Lab | Wired.com
"The theory is simple: Remove the polarized film from the monitor so that you only see a white backlit screen. Then take this film, cut to fit your spare specs and you can see the screen only when you wear them."
technology  secrets  light  via:zarba 
november 2011 by kevan
Dutch PlantLab Revolutionizes Farming: No Sunlight, No Windows, Less Water, Better Food | Singularity Hub
"When grown outdoors plant photosynthesis is only about 9% efficient. With the correct balance of colored LED light, PlantLab has increased that efficiency to 12 or 15%, aiming for 18%."
plants  science  light  future 
august 2011 by kevan
F.lux: software to make your life better
"During the day, computer screens look good - they're designed to look like the sun. But, at 9PM, 10PM, or 3AM, you probably shouldn't be looking at the sun. [F.lux] makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day."
light  time  computers 
february 2011 by kevan
Meat-Eating Furniture : Krulwich Wonders… : NPR
"A lamp shade robot, an Auger-Loizeau Carnivorous Domestic Robot Entertainment design, is powered by incoming flies."
electricity  death  furniture  light  food  via:dunx 
february 2011 by kevan
Vitality-How GlowCaps Work
"GlowCaps use light and sound to signal when it is time to take a pill. GlowCaps sense when the bottle is opened and wirelessly relay their status to Vitality’s secure network. If the bottle is not opened two hours after a scheduled dose, the user is automatically reminded with a telephone call that states: 'It’s time to take the pill in your green GlowCap.'"
medicine  technology  light  phones 
november 2010 by kevan
Stories from the stores » Busy bees
"Tomes, a keen amateur apiarist, was seeking a way to track swarms by detecting when the queen bee left the hive. [...] Dabbing them with luminous paint proved somewhat easier, but Tomes’s photocell detector setup was triggered by other light sources as well as the painted bees. Then he remembered that the luminous paint contained radium."
bees  paint  light  science  technology 
july 2010 by kevan
Action Half-Life: The 5 a.m. | Rock, Paper, Shotgun
"Looking away from the monitor it was with no small amount of gut-terror that I realised something was very wrong and turned back to type a message to my friends. [...] Our real worlds had turned monochrome. Some optical trick involving those red and white tiles had broken our eyes, and we could only see in pea green, sickly yellow and all the shades in between."
games  design  illusions  eyes  light  colour  puzzles  via:weir 
april 2010 by kevan
This Is a Mosquito Getting Killed By a Laser - Gizmodo
Tracking mosquito movement and burning their wings off with a pinpoint laser. "The idea behind the 'Death Star' laser is that it could be used to control mosquito populations in developing countries in hopes of reducing the number of deaths due to malaria."
insects  light  death  pestilence  technology  via:waxy 
february 2010 by kevan
miket - Blood Lamp
"For the lamp to work one breaks the top off, dissolves the tablet, and uses their own blood to power a simple light."
light  blood  science  art  via:andyskipper 
september 2009 by kevan
The Golden Hour Calculator | Sunrise and Sunset information for photographers
"Discover when the golden hour is at your current location, explore visually how the golden hour changes with the seasons and where you are in the world. [...] We calculate sunrise and sunset times. the elevation and azimuth of the sun and of course, display the golden hour."
time  light  photography 
september 2009 by kevan
New Zealand town is in the dark — and proud of it - Yahoo! News
Lights out for darker skies. "The idea faces significant challenges - UNESCO's conventions do not mention the space above and around heritage sites, and there's still the question of how to define a piece of open sky for conservation purposes."
light  air  pollution  space 
february 2009 by kevan
BBC NEWS | Technology | Villagers text to light the way
"A village in Germany is pioneering a method of saving energy and reducing carbon emissions by switching off the street lights at night. But local residents can use their mobile phones to turn the street lights back on again for 15-minute periods whenever they want."
light  phones  electricity  via:clare 
december 2008 by kevan
Inventor's 2020 vision: to help 1bn of the world's poorest see better | Society | The Guardian
"The wearer adjusts a dial on the syringe to add or reduce amount of fluid in the membrane, thus changing the power of the lens. [...] The principle is so simple, the team has discovered, that with very little guidance people are perfectly capable of creating glasses to their own prescription."
eyes  light  technology  future 
december 2008 by kevan
Gallery: Solargraphs show half a year of Sun - New Scientist
"It was taken in a single six-month exposure by photographer Justin Quinnell, using a pinhole camera strapped to a telephone mast. [...] The blur on the left was caused by the growth and movement of trees."
photos  time  light 
november 2008 by kevan
Peeling Scotch Tape Powers X-Ray Machine | 80beats | Discover Magazine
"Peeling a roll of ordinary sticky tape [in a vacuum] can generate 100 milliwatt pulses of X-rays, enough to capture a human finger on X-ray film, according to a new study by UCLA scientists."
science  light  plastic 
october 2008 by kevan
Tate Intermedia Art: Under Scan
"As people walk around the area, their shadow is cast on the floor, revealing the video-portraits. As they appear within pedestrians' shadows, their bodies move and their heads turn to look straight at the pedestrian, giving rise to an interesting range of interactions."
art  light  videos  london 
september 2008 by kevan
Putting colour back in the Doctor's cheeks | Media | The Guardian
"Any black and white telerecording of a colour programme is prone to pick up interference from the colour encoded video signal. [...] However, the interference was often deemed so minor that the technicians doing the transfers used no filter."
television  technology  secrets  light  via:currybet 
march 2008 by kevan
Switched On London
"A number of sites will be lit from February 7th - 14th in an energy efficient way to show the power of light in the city. [We] we will be highlighting the unnecessary lighting of office space at night in the area."
events  light  cities  london  pollution 
january 2008 by kevan
New 3-D Technique From RabbitHoles Makes Posters Pop
"Rather than simple static images, RabbitHoles' can take six- to eight-second movie clips from 2-D and 3-D films and print them into a poster that 'moves' as the viewer walks past."
advertising  technology  science  light  future  via:antonia 
january 2008 by kevan
Gaslight (1944)
A great study of subtle psychological manipulation, undermining reality through isolation, tiny matter-of-fact lies and sleights of hand. A lot of the villain's reactions are clumsily over-the-top, but it's vivid enough to seep into a wider worldview.
filmlog  4stars  delusions  secrets  crime  love  psychology  light 
december 2007 by kevan
Wifi camera
"Wifi Camera reveals the electromagnetic space of our devices and the shadows that we create within such spaces, in particular our wifi networks. [...] We will take real time 'photos' of wifi space."
light  secrets  technology 
december 2007 by kevan
Evil Mad Scientist Laboratories - How to hack LEDs into Lego minifigures for Halloween
"In what seems like a miraculous coincidence, a standard LED fits exactly into the head of a Lego minifigure."
lego  light  hacking 
november 2007 by kevan
Tens of thousands of CCTV cameras, yet 80% of crime unsolved | News | This is London
"A report by the criminal justice charity Nacro in 2002 concluded that the money spent on cameras would be better used on street lighting, which has been shown to cut crime by up to 20 per cent."
surveillance  crime  police  light  london  via:zarba 
september 2007 by kevan
Spy plane employed to shame owners of heat-loss homes - Times Online
"Thermal images of homes have been taken by a light aircraft fitted with military spy technology to record the heat escaping from people’s houses."
surveillance  technology  cities  light 
september 2007 by kevan
kameraflage(tm)
"Kameraflage is possible because digital cameras see a broader spectrum of light than human eyes. By rendering content in these wavelengths we are able to create displays that are invisible to the naked eye, yet can be seen [through] a digital camera."
light  illusions  technology  design  advertising  secrets 
august 2007 by kevan
Seven Deadly Colours: The Genius of Nature's Palette and How It Eluded Darwin - Andrew Parker
Seven different colours in nature, seven different mechanisms of colour generation, and seven predator-fooling examples of why eyes aren't so perfectly evolved after all. Good worldview-changing science, with some nice flourishes.
booklog  evolution  light  paint  illusions  birds  frogs  fish  insects 
june 2007 by kevan
Improve your photography with classical art
"I keep a directory of about 30 of my favorite paintings and anytime I need to do color correction, I just scan through them to find the one that gives the photo I'm working on the best look."
art  photos  paint  light  mutation  via:holly 
may 2007 by kevan
Sunshine (2007)
Guess what the crew of the sunbound spacecraft Icarus decide to do. Reasonably sane sci-fi, with the sun as a good, ever-present menace, although a bit redundant with space being dangerous enough anyway. Too many cliches, though, and a dreadful third act.
filmlog  2stars  space  science  technology  light  fire 
april 2007 by kevan
whitewing.co.uk - An Interactive Lighting Installation on Tower Bridge
"Bluetooth devices detected towards each end of London Bridge will appear as coloured pixels on [the] upper walkway, and if they are subsequently detected at the other end, the pixel will move across at a speed proportional to the speed of movement."
london  technology  light  transport 
march 2007 by kevan
BBC NEWS | Science/Nature | Large squid lights up for attack
"The footage reveals the creatures emitting short flashes from light-producing organs, called photophores, on their arms. [...] Japanese scientists believe the creatures use the bright flashes to disorientate potential victims." With video.
squid  light  videos 
february 2007 by kevan
The Device Patented Process Indicating Apparatus
Ambient information, steampunk style. "The Device Patented Process Indicating Apparatus features two analog dials, a test tube that glows from dim to bright, and a red incandescent lamp."
design  wood  light  via:infosthetics 
november 2006 by kevan
Sketch Furniture by FRONT
"Pen strokes made in the air are recorded with Motion Capture and become 3D digital files; these are then materialised through Rapid Prototyping into real pieces of furniture."
furniture  design  light  technology  art  plastic  via:venusberg 
november 2006 by kevan
Colour By Numbers
"[A tower] becomes an event in a continuous landscape. This characteristic is emphasized by the illuminated windows of this particular tower - but the patterns and colours also vary constantly. The tower speaks in a sign language composed of light."
architecture  light  phones  via:infosthetics 
october 2006 by kevan
SouthCoastToday.com - Japanese unveil robot wine steward - September 03, 2006
"At the end of the robot's left arm is an infrared spectrometer. [...] When a reporter's hand was placed against the robot's taste sensor, it was identified as prosciutto."
robots  food  drinks  technology  light 
september 2006 by kevan
cre.ations.net - Creation: The Time Fountain
Video clips and construction details for an amazing strobe-lit water fountain, with the frozen droplets being surprisingly coherent when poked with a stick.
design  light  water  technology  illusions 
september 2006 by kevan
Cell Phone Disco - a project by informationlab.org & megla.org
"Flashing cells basically consist of one or more LEDs, battery and a sensor that detects electromagnetic (EM) radiation transmitted by an active mobile phone. When the sensor detects EM waves it sets off the LEDs to flash for a couple of seconds."
phones  art  technology  light  via:infosthetics 
august 2006 by kevan
Technology Review: Lights, Camera, Jamming
Camcorder-jamming. "The beam saturates the CCD with varying intensities of light, [forcing] the camera's electronics to constantly adjust, and ultimately producing large white splotches that cover about one-third of the recorded scene."
surveillance  technology  light  via:foe 
july 2006 by kevan
Minneapolis Public Library: New Central Library Public Art -- Word Up, Ben Rubin
Giant illuminated letters scrolling up and down the sides of library elevators. "Drawn from the library's database, the ever-changing text may reflect the titles of books that have recently been checked out, reshelved, or searched in the online catalog."
art  libraries  design  light  architecture 
march 2006 by kevan
New Scientist - 3D plasma shapes created in thin air
"Currently, [plasma dots] can be projected between two and three metres from the apparatus, in a space of about a cubic metre. Each flashpoint generates a popping sound, resulting in a constant crackling when the display is in operation."
light  advertising  technology 
february 2006 by kevan
[ b i n a r y z o o . c o m ] Mono
Hypnotically psychedelic and ambient-information Asteroids game.
games  light  via:leonard 
february 2006 by kevan
LED Throwies
"LED Throwies are an inexpensive way to add color to any ferromagnetic surface in your neighborhood. A Throwie consists of a lithium battery, a 10mm diffused LED and a rare-earth magnet taped together."
light  magnets  via:plasticbag 
february 2006 by kevan
SocietyGuardian.co.uk | Town tries soft lights to calm violent drinkers
"Wrexham's late-night drinking hotspot has been adorned with 115 pastel coloured lights on stainless steel-plated street lamps. [...] The theory is that anything that gives you a positive feeling at night will reduce aggression and anti-social behaviour."
light  society  crime  drinks  psychology 
december 2005 by kevan
Deflexion
Plastic, tabletop Laser Chess with embedded laser-pointer lights. Brilliant. "Do not press your button until you have checked that all pieces are secured in the board and not angled up toward a player."
board  games  chess  light  mirrors  via:mcios 
december 2005 by kevan
houseblinger.com - houses decorated with Christmas lights
"Houseblinger.com is a free showcase for those amazing people who decorate (well, overdecorate) the exteriors of their houses at Christmas with lights."
light  electricity  lunacy  architecture  via:qwghlm 
november 2005 by kevan
E\T\C UK Ltd Projecting
"E\T\C UK has been specialising in producing stunning, large format projections onto buildings, interesting spaces and structures since 1994."
light  art  via:lori 
november 2005 by kevan
Eurekalert: Bees solve complex colour puzzles
"One long-term aim of our research is to exploit this understanding to build seeing robots that, like the bee with its mere one million neurons, can learn to find a simple flower in a meadow, which no machine can do at present."
bees  eyes  light  via:foe 
november 2005 by kevan
Guardian Unlimited | Arts features | Bright fantastic
Designing a house to fit between the shadows of adjacent buildings. "Usually architects design a building and then test it. Here we spent six months testing what we call the 'solar geometry' before the design was even thought about."
architecture  design  light  cities 
november 2005 by kevan
Michael Anastassiades - Social Lighting
"This ceiling light will glow only when there is complete silence. No conversation can occur around it. Noise will cause the light source to dim down and eventually switch off."
light  sound  furniture  via:wmmna 
october 2005 by kevan
Slashfood - Eating in the Dark
"There's also the The Blind Cow in Zurich, Switzerland and Black Out in Melbourne, Australia. The wait staff at Black Out are not blind, however. They wear night-vision goggles."
food  light  via:holly 
october 2005 by kevan
Wikipedia: Colors of noise
Other recognised colours of noise, besides white: "The next most commonly used color is pink noise. Its frequency spectrum is not flat, but has equal power in bands that are proportionally wide." Includes sound clips.
sound  light  via:holly 
september 2005 by kevan
Wikipedia: Soap bubble
Didn't realise they did this, until last night: "Finally, when the bubble's wall becomes much thinner than the wavelength of visible light, all the waves in the visible region cancel each other out and no reflection is visible at all."
light  water  air  science 
august 2005 by kevan
Advanced Pet Products - Purrfect Mood Detector
A giant LED neck-brace that flashes in time with your cat's purring. Presumably aiming at the wheelchair-bound niche market of completely-deaf-and-paralysed cat owners, and Davros.
cats  light  sound  technology  daleks  via:arbroath 
august 2005 by kevan
Web Japan | Underground Urban Farm
"This urban farm - in what used to be the vault of a major bank - is maintained using computer-controlled artificial light and temperature management."
plants  light  underground  japan  via:anne 
june 2005 by kevan
TATE ETC. issue 4: Cured by Colour
History and tangents of colour therapy. "Blue glass one part; faith, ten parts; mix thoroughly and stir well until all the common sense evaporates, as the presence of a minute quantity will spoil the mixture."
light  paint  medicine  depression  hoaxes  via:holly 
june 2005 by kevan
TRN: Camera sees behind objects
Simple, but astonishingly effective - illuminating a hidden surface one ray of light at a time, and measuring the properties of it when it's reflected as far as a camera, to establish the colour of the initial surface, pixel by pixel.
technology  light  mirrors  cards  cheating  via:wmmna 
june 2005 by kevan
Jack Chang's Portfolio: MenuVista
"MenuVista provides restaurant customers a realistic preview of their orders by using photographic projection on real plates and also allows them to modify their orders by using a projected menu with a touch sensor interface."
food  light  technology  via:wmmna 
may 2005 by kevan
New Scientist - Gamma rays may have devastated life on Earth
"A team of astrophysicists and palaeontologists says the pattern of trilobite extinctions at that time resembles the expected effects of a nearby gamma-ray burst."
history  science  apocalypse  space  light 
april 2005 by kevan
PhysOrg: Researchers use laser light to remote control flies
"The remote control is based on the idea that specific nerve cells could be equipped with molecular 'receivers' that allow them to recognize an outside signal like a laser light pulse and translate that signal into [...] nerve-cell activity."
insects  technology  brains  science  light 
april 2005 by kevan
biophilia
Art installation that adds giant, plantlike tentacles onto visitors' shadows.
art  illusions  light  plants 
december 2004 by kevan
Guardian Unlimited | Hello darkness, my old friend...
Winter in Iceland - darkness and board games and suicide. "'Those who cannot live with it,' said Dr Sveinsson, with the chuckle of a James Bond villain, 'They will die.'"
death  games  ice  iceland  light  weather 
november 2004 by kevan
The Times: The robot infiltrator that will lure pests to their doom
Pest control as an inverted game of Lemmings. "If the robots go to the light shelter, cockroaches follow - the desire for companionship proving stronger than the need for dark."
cheating  illusions  insects  light  robots 
november 2004 by kevan
EurekAlert: In a tiny squid, bacterial toxin governs organ development
Cute Hawaiian bobtail squid use disease-causing molecules to produce light. "Until now, molecules of a virulent nature have not been recognized as having essential roles in development."
bacteria  evolution  light  squid 
november 2004 by kevan
LiTraCon homepage
Concrete blocks with glass fibres embedded through them. Wonderful that a shadow cast on the outside of a wall also appears on the inside.
glass  light  stone 
october 2004 by kevan
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