What is energy and how does it move around?

• What is E = mc^2 in simple terms (American Museum of Natural History)
• What is E = mc^2 in simple terms (Universe Today)
• What is E = mc^2 in simple terms (YouTube)
• Werner Heisenberg (Nobelprize.org)
• Robert Openheimer (Atomic Archive)
• "Doc" Brown (Wikipedia)
• Back to the Future (Wikipedia)
• The speed of light: 3x10^8 metres per second (Wikipedia)
• The size of Wales (Wikipedia)
• The size of Belgium (Wikipedia)
• Basic principles of energy (University of Illinois)
• What is energy? (Wikipedia)
• Potential & kinetic energy (BBC)
• Different types of energy (BBC)
• What is sound energy? (Explain That Stuff!)
• What is heat energy (Science Learning)
• All the matter & energy in the universe was created in the Big Bang (Exploratorium, CERN)
• All the matter & energy in the universe was created in the Big Bang (The Physics of the Universe)
• Best guess...the universe is between 13-14 billion years old (HubbleSite)
• First law of thermodynamics: Energy in a closed system cannot be gained or lost, just transferred (livescience)
• First law of thermodynamics - more techy explanation (NASA)
• Could loads of wind turbines affect local systems? Who knows...here's some potential answers (Earth Science Stack Exchange)
• Solar energy that reaches the Earth's surface is called 'insolation' (Wikipedia)
• The amount of solar energy reaching Earth is huge (The Electronic Universe, University of Oregon)
• Solar irradiation map of the world (Wikipedia)
• US town rejects solar farm amid worries it would "suck up all the energy from the sun" (Science Alert)
• Where does the sun's energy come from? (NASA)
• The sun's energy will run out in about 5 billion years (Phys.org)
• Simple photosynthesis (Photosynthesis Education)
• Chemical energy is stored in the bonds of atoms & molecules, plus a big list of types of energy (Quizlet)
• Muscles & liver store carbohydrate as glycogen until needed for energy (Discovery Learning)
• How does a microphone work? Simple conversion of sound energy (Explain That Stuff!)
• How long would you have to yell to heat a cup of coffee? (Physics Central)
• Old lights bulbs used to give off ~90% of their energy as heat, not light (Energy.gov)
• What happens when you clap your hands...in space? (Reddit)
• The motion of atoms & molecules creates heat or thermal energy (EDinformatics)
• What is a quantum? (Wikipedia)
• A photon is a quantum of light (Wikipedia)
• When did we figure out what energy is? (Wikipedia)
• Light is energy...& photons of light can have different amounts of energy (Johns Hopkins University)
• A photon's energy determines where it sits on the electromagnetic spectrum (NASA)
• How do we transfer energy into speech? The acoustic theory of speech production (Yale University)
• How do we hear? (Dangerous Decibels)
• No sound in a vacuum, no sound in space (Physics Central)
• The speed of sound in different media (HyperPhysics, Georgia State University)
• What is an echo? (Wikipedia)
• The old 'tree falling in the woods' conundrum...from a quantum theory perspective (Oxford University Press Blog)
• Sound is a wave (Physics Hypertextbook)
• How candles burn (National Candle Association)
• Richard Feynman's wonderful words: What is fire? Plants come from air not dirt. Wood is stored sunlight (YouTube)
• Burning fossil fuels releases ancient atoms (Wikipedia)
• Photosynthesis: Plants grab the carbon from carbon dioxide & we get some oxygen (Wikipedia)
• Humans exhale ~4% to 5.3% carbon dioxide (Wikipedia)
• Humans breathe out a fair bit of carbon dioxide - maybe we should stop (Small-M)
• Carbon dioxide is a greenhouse gas (Wikipedia)
• Carbon capture & sequestering technologies (MIT)
• All the jiggling: How heat energy is transferred (xaktly)
• Temperature is essentially a measure of movement (New York University)
• Temperature is essentially a measure of movement (HyperPhysics, Georgia State University)
• What is absolute zero? (Encyclopaedia Britannica)
• Why can't we get down to absolute zero? (io9)
• The Large Hadron Collider & absolute zero (Encyclopaedia Britannica)
• The Large Hadron Collider is colder than deep space (BBC)
• The temperature in outer space is about 2.7 Kelvin (NASA)
• How does a vacuum flask work? With a vacuum of course (Explain That Stuff!)
• How does heat move? A simple description of radiation, conduction & convection (Qualitative Reasoning Group, Northwestern University)
• Conduction & convection in the home (BBC)
• Calories are a unit of energy or heat (Encyclopaedia Britannica)
• Tartan Thermos (Etsy)
• Curried egg sandwiches recipe (Keen's, McCormick)
• Apparently crusts won't make your beard curly...but they may have more nutrients than the fluffy bit (How Stuff Works)
• Insulated glazing (Wikipedia)
• Vacuum-insulated glass (Windows for high-performance commercial buildings)
• The vacuum flask or Thermos: Invented by a Scot - uses include storing coffee, rocket fuel & liquid nitrogen (Wikipedia)
• Thermos® appears to be a registered trademark...thought we'd mention that for legal purposes (Thermos.com)
• Sir James Dyson (James Dyson Foundation)
• Elon Musk (Forbes)
• Outer space isn't very dense - sometimes 1 atom per cubic metre (hypertextbook)
• Empty space: the birthplace of stars (NASA)
• Hypothermia: How long can someone survive in frigid water? (Scientific American)
• Water conducts heat ~25 times more efficiently than air (Wikipedia)
• Speed of sound in water is ~1,484 metres per second (Wikipedia)
• Cold people & hot people: Why do some people feel the cold more than others (IFL Science!)
• Why do some people never feel cold while others never get warm? (Medical News Today)
• Michelle Bridges
• Kentucky Fried Chicken
• Deepak Chopra
• July 16 1945: The first atomic test (History.com)
• Original defence memo from a General who was at the first atomic test (PBS)
• What happens in an atomic bomb is the same as what happens in the sun (NorthWest Research Associates)
• The sun is ~93 million miles from Earth (Space.com)
• Little old Pluto gets about 1/900th the sunlight that we do (Project Pluto)
• The Kardashev scale: Type I, II & III civilisations (Wikipedia)
• The physics of extraterrestrial civilisations (Michio Kaku)
• What is a Dyson Sphere? A theoretical way to capture all the energy from a star (EarthSky)
• The Star Trek proto-post scarcity economy (Medium)
• Thankfully, modern nuclear bombs are more efficient than the olden days (GlobalResearch)
• The fission of 1kg of plutonium-239 can explode with the power equivalent to 20,000 tonnes of TNT (Materials World)
• E = mc^2 for 1kg of wood is HUGE (E = mc2 Explained)
• What is cold fusion? (Wikipedia)
• 5 reasons why cold fusion is bunk (Seeker)
• What is perpetual motion? More bunk (Wikipedia)
• The "never die" Orbo Power Cube battery that was on display in a Dublin pub...hmmm (E-Cat World)
• Animation: How a wind turbine works (Energy.gov)
• Newton's Cradle (balls) (YouTube)
• The Flat Earth Society