Should Airships Make a Comeback?
Adults Design Economy TechnologyWill we see a new generation of airships roaming our skies?
What Happens If You Destroy A Black Hole?
Adults Environment Life ScienceBlack holes can destroy everything – but can they be destroyed? What happens if we push physics to the absolute limits, maybe even break it and the universe in the process?
The Dream of Digital Ownership, Powered by the Metaverse | TED
Adults Life TechnologyTechnologist Yat Siu believes the "open metaverse" -- a decentralized version of the internet also known as web3 -- is laying the foundation for a freer, fairer, more prosperous society.
Primitive Technology: Wood Ash Insulated Furnace
Adults Construction Creativity NatureI made a furnace insulated with wood ash to smelt iron in. Furnace insulation stops heat being lost from the walls of a furnace and so increases the heat within the furnace.
The Figure 8 Knot Has Never Failed. Why?
Adults Construction Education Physics ScienceModern roped rock climbing, one of the nerdiest sports, relies almost entirely on a single type of knot for safety: the figure eight knot.
The Weight of “Nothing” Could Mean Everything (to Physics)
Adults Life Psychology ScienceDeep in a Sardinian mine, researchers are constructing an experiment that hopes to solve what's known as The Worst Prediction In The History of Physics, and pin down the true identity of dark energy.
Bear Grylls shows Bradley Cooper how to cross a ravine | Running Wild with Bear Grylls
Adults Environment Life NatureBear Grylls teaches Bradley Cooper how to cross a ravine. In Running Wild with Bear Grylls, Bear is taking it up a level by teaching his celebrity guests essential survival skills that they'll have to master and then prove they can use in a high stress situation.
The First-Ever Cargo Ship Powered By Green Fuel | Morten Bo Christiansen | TED
Adults Education EnvironmentThe shipping industry is vital to the global economy, but it's also a huge contributor to the climate crisis.
Titan Implosion Explained with a Soda Can
Adults Education Media ScienceOn June 18th, 2023, OceanGate’s Titan submersible imploded near the wreck of the Titanic. Why? This simple experiment that you can do at home demonstrates the terrifying power of the ocean that ultimately ended Titan’s expedition.