Why is ketchup so hard to pour?
Adults Food PhysicsEver go to pour ketchup on your fries...and nothing comes out? Or the opposite happens, and your plate is suddenly swimming in a sea of red? George Zaidan describes the physics behind this frustrating phenomenon, explaining how ketchup and other non-Newtonian fluids can suddenly transition from solid to liquid and back again.
1st solar plane to fly around the world
Adults Global Warming Technology TransportationThe Solar Impulse 2 is to be officially presented today, but its construction didn't happen in a day. Watch this video and understand the steps that had to be taken when you're looking towards attempting the First #RTW Solar Flight!
Facebook Will Use Drones and Lasers to 'Beam' Internet to the World
Adults Internet Culture Technology WorldAfter announcing Internet.org last year, an initiative to improve Internet access across the globe, Mark Zuckerberg unveiled the Connectivity Lab, a new team of scientists that has been working on the ambitious project. He said that the Connectivity Lab would develop "new platforms for connectivity on the ground, in the air and in orbit," according to a post on Internet.org on Thursday. How are they going to do it?
Cort Acoustic Guitar Factory Tour
Adults Business MusicThis video provides an in-depth look at how Cort Guitars builds their great acoustic guitars. As one of the world's biggest makers of guitars Cort implements a blend of state of the art technology with vintage guitar building techniques to produce great acoustic guitars. Now for the first time you can get an inside look at how their guitars are built.
The chemistry of cookies
Adults Food ScienceYou stick cookie dough into an oven, and magically, you get a plate of warm, gooey cookies. Except it's not magic; it's science. Stephanie Warren explains via basic chemistry principles how the dough spreads out, at what temperature we can kill salmonella, and why that intoxicating smell wafting from your oven indicates that the cookies are ready for eating.
Here's What It's Like To Parachute Into A Baseball Stadium
Adults Sports Transportation FilmUS Navy Parachuting Team "Leap Frogs" parachuting into San Diego MLB stadium, from their perspective.
Magic for Dogs
Adults Creativity PetsDo dogs react to magic? Watch as magician & mentalist Jose Ahonen vanished some dog treats under their noses. By the way, all the dogs got treats before and after the trick.
The loathsome, lethal mosquito
Adults Animals ScienceEveryone hates mosquitos. Besides the annoying buzzing and biting, mosquito-borne diseases like malaria kill over a million people each year (plus horses, dogs and cats). And over the past 100 million years, they've gotten good at their job -- sucking up to three times their weight in blood, totally undetected. So shouldn't we just get rid of them? Rose Eveleth shares why scientists aren't sure.
The Lion King Australia
Adults Film Music TransportationAfter an amazing day at THE LION KING Brisbane season launch announcement, members of our Australian cast felt so elated they decided to sing the 'Circle of Life' prior to take off on their flight back to Sydney.
How simple ideas lead to scientific discoveries
Adults Creativity ScienceAdam Savage walks through two spectacular examples of profound scientific discoveries that came from simple, creative methods anyone could have followed -- Eratosthenes' calculation of the Earth's circumference around 200 BC and Hippolyte Fizeau's measurement of the speed of light in 1849.
Anti-Gravity Wheel Explained
Adults Physics ScienceIt's a little shaky but if you average out the oscillations I think the result is clear. Again, huge thank you's to A/Prof Emeritus Rod Cross, Helen Georgiou, Alex Yeung, and Chris Stewart, the University of Sydney Mechanical Engineering shop, Duncan and co. Ralph and the School of Physics.
Mousetrap Chain Reaction in Slow Motion
Adults Film Internet CultureGav sets up a chain of 150 mousetraps. Dan sets them off bravely.
The Most Amazing Thing About Trees
Adults Ecology NatureTrees create immense negative pressures of 10's of atmospheres by evaporating water from nanoscale pores, sucking water up 100m in a state where it should be boiling but can't because the perfect xylem tubes contain no air bubbles, just so that most of it can evaporate in the process of absorbing a couple molecules of carbon dioxide. Now I didn't mention the cohesion of water (that it sticks to itself well) but this is implicit in the description of negative pressure, strong surface tension etc.
How Google responds to government search warrants
Adults Business Justice Social MediaHow Google responds to search warrants, while working hard to protect our users' privacy and security. Learn more about how we handle requests.
Why waste time? It doesn't earn interest.
Adults Life Philosophy"Why waste time? It doesn't carry over to the next day. It doesn't earn interest. Take every day and every moment, and make something of it. Make something positive." - Elvis de Leon