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Showing posts with label mechanics. Show all posts
Showing posts with label mechanics. Show all posts

Monday, April 20, 2020

Let's play @home

During this days we can play with our children to try to build something like this:




Or you can create an easy one by using cardboard (image source: https://www.hellowonderful.co/post/15-impressive-ways-to-make-a-marble-run/)


Or like this one (image source: https://www.edenproject.com/learn/for-everyone/how-to-make-a-recycled-marble-run)


Let's be creative!

Wednesday, January 9, 2013

How to Win a Bike Race: Using Gears



If you want to read more about the Physics of Bikes, follow this links:

  • Bicycle and motorcycle dynamics is the science of the motion of bicycles and motorcycles and their components, due to the forces acting on them. Dynamics is a branch of classical mechanics, which in turn is a branch of physics. Bike motions of interest include balancingsteeringbrakingacceleratingsuspension activation, and vibration. The study of these motions began in the late 19th century and continues today. 
  • Berkeley University paper.



Monday, February 27, 2012

One more victory over uncertainty in quantum physics measurements

Michael Chapman, a professor in the School of Physics at Georgia Tech, poses with optical equipment in his laboratory. Chapman’s research team is exploring squeezed states using atoms of Bose-Einstein condensates. (Credit: Gary Meek)

(PhysOrg.com) -- Most people attempt to reduce the little uncertainties of life by carrying umbrellas on cloudy days, purchasing automobile insurance or hiring inspectors to evaluate homes they might consider purchasing. For scientists, reducing uncertainty is a no less important goal, though in the weird realm of quantum physics, the term has a more specific meaning.
Watch this video to know more about The Uncertainty Principle:

Useful tip: Save money on quantum physics books by using Barnes and Noble promotional codes.

Friday, December 30, 2011

How Differential Steering Works



"Steering is the term applied to the collection of components, linkages, etc. which will allow a vessel (shipboat) or vehicle (carmotorcycle,bicycle) to follow the desired course. An exception is the case of rail transport by which rail tracks combined together with railroad switches (and also known as 'points' in British English) provide the steering function."
in wikipedia


G. W. Lucas has the equations for an elementary trajectory model for the differential steering system of robot wheel actuators. Check his website for equations and this one for the java applet.


Tuesday, December 6, 2011

airless tire concept

Bridgestone goes airless in tire concept for Tokyo show(PhysOrg.com) -- Visitors to the 42nd Tokyo Motor Show are to witness a new breed of airless tires from Bridgestone. Interest in the general press is already humming because of the material, design, and features of the Bridgestone debut on show. The concept tires use recycled thermoplastic, outside tread included. Fittingly colored green, the tires are being promoted for their green advantage of being completely recyclable.


Read more in PhysOrg


Wednesday, July 27, 2011

Fireworks' Physics

Weekend Diversion: The Physics of Fireworks!



The way you launch a firework is basically the same way you launch a cannonball out of a cannon! You put a "lift charge" in between the actual firework and the bottom of a strong, closed tube/pipe, and ignite it, propelling the firework up.
How high you want it to go is dependent only on the initial velocity of your firework, which is almost always larger for bigger fireworks
Read the entire article by Ethan Siegel in: startswithabang

Monday, June 13, 2011

New electric transportation


New electric diwheel hints at future of city transportation
New electric diwheel hints at future of city transportation (PhysOrg.com) -- In a bit of technical wizardry, students from the University of Adelaide, Australia, have devised and built an electric diwheel, that with modification, could possibly solve inner city transportation problems. The team, comprised of 14 mechanical engineering students, has taken the idea of a diwheel and quite literally, turned it on its head, and in the process have created a vehicle that could be used to safely transport people around; all with a minimum amount of energy.



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