Primitive Technology: Water Bellows smelt
AdultsCreativityEducationNature...I tested the water bellows with a smelt and it produced a small amount of iron from the ore. The concept has a lot of potential but is having some issues.
How to Live a Meaningful Life | Brian S. Lowery | TED
AdultsEducationHumanPhilosophy...What makes for a meaningful life? Social psychologist Brian S. Lowery explores three ideas tied to the experience of meaning and shows why simply pursuing personal achievements isn't the best way to find it.
Primitive Technology: Water Bellows (uses water instead of leather)
AdultsConstructionCreativityEducation...I built a Water Bellows. It’s an upside-down clay pot with an inlet valve and an outlet spout. The inlet valve is simply a hole in the pot with a leaf plastered to the inside with wet clay so that it forms a one-way flap valve.
How should we measure intelligence? | Mary-Helen Immordino Yang
AdultsHumanPsychologySociety...Our society has an obsession with quantifying everything, often applying measurements and numerical values where they aren't necessary.
Is Nuclear Power “Too Expensive”?
AdultsEconomyEducationTechnology...The best argument against nuclear power, maybe the only real argument, is that nuclear power is “too slow” to build and is “too expensive” to finance. Is this true?
How to Disagree with Respect — Not Hate | Spencer J. Cox | TED
AdultsHumanPoliticsPsychology...Spencer J. Cox, Republican governor of the state of Utah in the United States, says that even in these deeply polarized times, it's still possible to disagree without hate or contempt.
These Illusions Fool Almost Everyone
AdultsEducationMusicScience...A big thank you to Titus Grenyer over at Pep Organ for showing us around the Sydney Town Hall Organ, to Dr. Diana Deutsch for providing her illusions and insight into the field, to Casey Connor for advice on building sound illusions, and to Dr. Michael Bach for providing the motion-bounce illusion.
Primitive Technology: Polynesian Arrowroot Hashbrown
AdultsCreativityEducationNature...I made a hashbrown from Polynesian arrowroot. A hashbrown is typically made from potatoes where it is mashed and baked on a pan.
Fallout's Cold Fusion Problem
AdultsEducationScienceTechnology...Was #Fallout’s “artifact” really worth transporting a severed head across the wasteland?
Why Reality is a “Controlled Hallucination”
AdultsEducationScienceTechnology...There have always been hints that the brain wasn’t evolved to track objective reality, but a new, incredibly popular theory in neuroscience takes everything one step further. Not only is your brain not built for reality, you’ve never even experienced it. Noted Science Zaddy Kyle Hill explains “predictive processing.”
Primitive Technology: Making Charcoal in a Closed Pot
AdultsCreativityEducationNature...I made charcoal in a clay pot by putting wood in it and heat the pot externally effectively making it like a retort.
The Science of Emotions with Tony Hale
AdultsHealthHumanPsychology...Emotions, please take center stage 🌟 Our friend Tony Hale is in our signature National Geographic yellow chair to chat with Dr. Lisa Damour about the science of emotions.
How Does Birth Control Work?
AdultsEducationHumanTechnology...There are huge varieties of birth control methods because there are lots of different ways to disrupt the process of sperm-egg fertilization.
This Black Hole Could be Bigger Than The Universe
AdultsEducationEnvironmentScience...Black holes might create infinite universes while destroying time and space.
Primitive Technology: Geopolymer Cement (Ash and Clay)
AdultsConstructionCreativityEducation...I have made wood ash cement before under the assumption that it was the calcium in the ash that gave it its cementitious properties...