Watch this short video to understand why train wheels are conical instead of cylindrical and why they have rigid axels.
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8:00 am Mon
May 6, 2019
So this is why train wheels are conical
Imagineering In a Box: free instructional video series from Disney and Khan Academy
Imagineering In a Box is a free lecture series on Khan Academy that covers a broad swathe of elements involved in storytelling in built environments, from theming a land to landscaping, architecture, sound design, robotics, smell design (!), color, material science, food-based theming, ride design from pitch to execution, animatronic programming, queue management (MY FAVORITE!), […]
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This tiny robot bug can survive getting stepped on
This tiny “soft” robot, just 3cm long, zips along at 20 of its body lengths per second. It can also carry heavy things, like peanuts in the shell, but that slows it down a bit. And amazingly, you can step on it and it won’t die. Over at IEEE Spectrum, Ivan Ackerman writes about the […]
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FAA approves tests of new design for middle seats that are more comfortable and speed boarding
The S1 (AKA the "Slip-Slide Seat") is a radical rethink of airline middle seats from Colorado's Molon Labe Designs; it sits a little back of the seats to either side of it, is slightly wider, and has slightly lower arm-rests -- and in some configurations, it allows the aisle seat to be slid over it, […]
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Train for a career in data analytics with 90% off these courses
The field of data analytics is growing as fast as the internet itself. Self-driving cars, airline pricing, and huge marketing campaigns are all driven by the insights that data scientists can distill out of vast sums of information. Even with the help of powerful software like Python, it’s a highly skilled position. But those skills […]
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Boost your marketing skills with training on Google Analytics and AdWords
If you’re marketing on the web, your Google-fu needs to be strong – and up to date. Without a firm grasp on what drives traffic, you’ll never be able to take the wheel. That’s why even if you know where to put your keywords, a little extra effort goes a long way on any marketer’s […]
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Save $45 on this wireless charging sonic toothbrush kit
Want to keep the dentist away? A little tooth care at morning and night isn’t bad, but it won’t keep the stains from smoking or fried foods at bay for long. If you enjoy your food and want to avoid the consequences, an upgrade from that old analog toothbrush can make a huge difference. Among […]
