Why Don’t Railroads Need Expansion Joints?
AdultsEngineeringTechnologyTransportationHow Thermite turned the clickety-clack of railroads into seamless, silent tracks.
Writing A Short Story: Reflection
YouthCreativityHow-toWriting...Part five of the challenge of writing your own short story.
Odd Couples: A Wombat And A Kangaroo
KidsAnimalsFriendshipFun...Wally the wombat and Buggy the kangaroo lost their moms when they were just babies. When they arrived at Lindoway Farm in Australia, it was love at first sight.
Protecting Keystone Species: Whale Sharks and Beyond | National Geographic
AdultsAnimalsEnvironmentNatureWhale sharks—the largest fish in the ocean—are a vulnerable species, yet these gentle giants don't feed on anything bigger than your index finger. The only way to protect them is to understand them.
Cotton To Clothes
KidsAgricultureEducationFashion...Join us on a fun journey to discover how cotton is grown, harvested, and turned into the clothes we wear every day!
TED Explores: Food for the Future | TED Countdown
AdultsFoodHistoryHumanFood is culture, food is life — it’s part of who we are and the magic that binds us together. But here’s the twist: the way we eat is pushing the climate to the brink, with a third of global greenhouse gas emissions coming from the way we grow, process and waste food.
Writing A Short Story: Revising
YouthCreativityHow-toWriting...Part four of the challenge of writing your own short story.
Primitive Technology: Flywheel blower smelt/Monsoon begins
AdultsConstructionCreativityNatureI tested a fly wheel on the blower. Taking an old clay fly wheel from the pump drill I made many years ago, I attached it to the axle of the one way spinning blower to see how it would effect performance.
A Tiny Spider Home
YouthAnimalsDIYFriendship...A tiny spider kept returning so this lady built it a cozy home.