25:50
Celebrating Irrational, Transcendental Pi
As we celebrate Pi Day, mathematician Steven Strogatz talks about how the ancients calculated pi—and how you can do it at home.
Make a Wire Critter That Can Walk on Water
Learn how insects have inspired engineers to make a robot that walks on the surface of water. Design your own water-walking critter using thin wire, and test its effectiveness: how many paperclips can it hold up using surface tension?
Dispatches from SXSW Interactive 2014
SciFri is in Austin to check out the latest in innovation.
17:37
Delving Into the Security of an Internet of Things
As more devices come online, is enough attention being given to security and privacy?
22:22
Michio Kaku Imagines ‘The Future of the Mind’
In “The Future of the Mind,” physicist Michio Kaku predicts big advances for our brains.
Zip Line Zoo
In this activity from Bedtime Math, you’ll build a stuffed-animal zip line and practice measuring time, distance, and angles.
How to Make an Artificial Muscle Out of Fishing Line
You’ll need fiber, some weights, a motor, and a heat gun to get you started.
16:45
Making Sense Out Of Bitcoin
Bitcoin is a digital currency that was created by an anonymous developer in 2009.
Make a Model of a Home Made From Shipping Containers
Watch an interview with a couple who built a home from shipping containers. Then, design and construct a scale model of a unique shipping container home using printed templates, and estimate the cost of flooring and paint based on model dimensions.
This Fish Sucks
Adam Summers of the University of Washington’s Friday Harbor Labs, details how the Northern Clingfish takes the art of suction to new heights.