How does light work? * Easy Cheese (Wikipedia) * The Golden Plains festival (GPX March 12-14, 2016) * What does X mean? - Roman Numerals Chart (Roman-Numerals.org) * The Golden Plains X-shaped lights - Aunty Meredith (flickr) * The Pink Flamingo Bar at Golden Plains (GPX March 12-14, 2016) * D batteries - Actually you can still buy them (Wikipedia) * 1980s bicyle lights (eBay) * Old school light bulbs - Incandescent lighting (Edison Tech Center) * What’s inside a torch? (Energizer) * Light bulb V1 - Gas lamp lighting (Wikipedia) * Sodium lamps (Edison Tech Center) * Copper wires and heat (Wikipedia) * Superconductivity (Wikipedia) * Thomas Edison and the electric light (Wikipedia) * How Edison Invented the Light Bulb - And Lots of Myths About Himself (Time) * Who invented electricity? - War of currents (Wikipedia) * Old light bulbs wasted a lot of heat - Incandescent light bulb (Wikipedia) * Old light bulbs had different shapes, some had reflective coatings - Physical characteristics, Incandescent light bulb (Wikipedia) * Incandescent light bulb - Wikipedia, the free encyclopedia * Tungsten and Tungsten Wire History (MidWest Tungsten Service) * Why do light bulbs burn out just as they’re turned on? (io9) * How long can a computer continuously run for? - Epic uptime achievement unlocked (ars technica) * Old people should keep moving - Benefits of exercise (NIH Senior Health) * Is there any point in turning light bulbs off? - When to turn off your lights (energy.gov) * Is there any point turning your engine off? - Does turning my engine off in traffic really save fuel? (This is MONEY) * Power brakes (Wikipedia) * Fly-by-wire (Wikipedia) * The skeptics’ guide to the universe * Hipsters now use vintage light bulbs (Edison light globes) * Neon lights work by a current ionising gas in the tube - Neon lighting (Wikipedia) * Fluorescent lights work by a current doing some stuff that causes a phosphor coating on the inside of the tube to glow - Fluorescent lamp (Wikipedia) * The noble gases (Wikipedia) * How do neon lights work? (Scientific American) * Curly fries (Recipe 4 Living) * The first halogen bulbs looked like curly fries - Phase-out of incandescent light bulbs (Wikipedia) * duh…what’s a halogen? - Halogen elements (Encyclopaedia Britannica) * Light-emitting diodes (LEDs) (Wikipedia) * Solid-state electronics (Wikipedia) * What is a diode? (Wikipedia) * And then came halogen lights (Wikipedia) * Halogen pop-in bulbs got hot and tended to explode - Disadvantages, Multifaceted reflector (Wikipedia) * How energy-efficient light bulbs compare with traditional incandescents (energy.gov) * The newest bulbs are LEDs (energy.gov) * Top 8 Things You Didn’t Know About LEDs (energy.gov) * Red LEDs came first, in 1962 - LEDs and OLEDs (Edison Tech Centre) * Photodiodes are involved in CDs, DVDs, and Blu Rays - Laser and optics (Wikipedia) * Blue LEDs didn’t come until 1992-93 - Blue LEDs (Wikipedia) * Blue LEDs didn’t come until 1992-93 - LEDs and OLEDs (Edison Tech Centre) * Blue LEDs Light The Way To Top Nobel Physics Prize (The skeptics’ guide to the universe) * Blu-Ray discs use ‘blue’ laser diodes - Laser and optics (Wikipedia) * You can make a white LED from red, green and blue - White LEDs and the Illumination breakthrough (Wikipedia) * LEDs and lasers are different (Opposing Views) * Newer iPhone flashes are a combination of white and amber LEDs (LEDinside) * New LED torches are very powerful - This Wickedly Bright Flashlight Can Cook an Egg (Wired) * New LED torches are very powerful - Scrambled Eggs (YouTube) * Size of Belgium (Wikipedia) * Mag-Lite * Edison invented the screw in (Wikipedia) * Then came the bayonet mount (Wikipedia) * Definition of light (Wikipedia) * What is a ray of light made of (BBC earth) * The life of a photon (Central Arkansas Astronomical Society Observer) * To see light, it must interact with your retina (Wikipedia) * Stuff in our atmosphere does stuff to light - Atmospheric refraction (Wikipedia) * Stuff in our atmosphere does stuff to light - Optical atmospheric diffraction (Wikipedia) * Snooker table analogy (Wikipedia) * The moon has pretty much no atmosphere (NASA) * What is Earth's atmosphere made of? - Composition, Atmosphere of Earth (Wikipedia) * What happens when light hits our atmosphere? - Optical properties, Atmosphere of Earth (Wikipedia) * What is fire? (Science Learning Hub) * What is smoke? (Science Learning Hub) * Soot (Wikipedia) * Earth's atmospheric layers: The densest part extends 8-14.5 km above the surface (NASA ) * Would light ever stop traveling if there were no objects to absorb the light? (UCSB ScienceLine) * Does light travel forever? (The Naked Scientists) * Visible and non-visible ‘light’ - Electromagnetic spectrum (Wikipedia) * Infrared (Wikipedia) * You are producing light right now - Humans glow in the dark (The Guardian) * Predator (Wikipedia) * Thermographic cameras (Wikipedia) * Ze goggles - Night vision (Wikipedia) * Can you catch fire in the electric chair? (NY Daily News) * Cooler fires burn redder, hotter fires burn bluer - Flame color (Wikipedia) * Why can we see fire? Hard to say really…Primates, Evolution of color vision (Wikipedia) * Telescopes are like big eyes (Wikipedia) * How long can light travel for? - “Oldest Light in the Universe" (The Daily Galaxy) * Hubble Space Telescope (Wikipedia) * Hubble Space Telescope (hubblesite) * James Webb Space Telescope: Will monitor long-wavelength visible light, through near-infrared to the mid-infrared (Wikipedia) * We put telescopes on mountains so it’s easier to see light from space - Mauna Kea Observatories (University of Hawaii) * Driest Place: Atacama Desert, Chile (Extreme Science) * Why do stars twinkle? (Cornell University) * Adaptive optics lets us see stars by de-twinkling them (CSIRO) * Deepak Chopra * Ionising radiation (World Health Organization) * Stopping alpha, beta and gamma nuclear radiation (BBC) * What makes the aurora borealis? (Wikipedia) * Radiation in space (NASA) * Lead is really dense (Wikipedia) * Scott Kelly was 2 inches taller when he arrived back on Earth - Twins study (NASA) * Mark Kelly (Wikipedia) * Light reflecting off things during the moon landing (Nerdist) * Why we only see one side of the moon - Tidal locking (Wikipedia) * The other side of the moon (Wikipedia) * The moon gets ‘Earthlight’ in the same way we get moonlight - (Wikipedia) * The moon and Earth rotate around their ‘barycentre’ (Wikipedia) * Sunrise & sunset on the moon (YouTube) * Earthrise from the moon - NASA (YouTube) * No one’s been to the moon since 1972 (BBC) * The space station sits at the edge of our atmosphere (Wikipedia) * Will we go back to the moon again? - Russia just announced it's going back to the moon (Techinsider) * The moon has pretty much no atmosphere, hence crazy temperature fluctuations - What is the Temperature on the Moon? (space.com) * Mars has a thin atmosphere, hence crazy temperature fluctuations - What is the Temperature on Mars? (space.com) * The atmosphere and oceans are linked - The Ocean-Atmosphere System (Tulane University) * Astronauts come back taller (NASA) * Astronauts lose muscle mass (NASA) * Could we mine the moon? - Billionaire teams up with NASA to mine the moon (CNBC) * Maltesers

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