'3D printing takes on metal at Amsterdam lab'
Are you a fan of 3D printing? Then you’re going to love this. The Joris Laarman Lab, in Amsterdam, has pioneered 3D printing… with metal!
"As reported in Dezeen, the method combines a robotic arm typically used in car manufacturing with a welding machine to melt and deposit metal, to create lines that can be printed horizontally, vertically, or in curves, without the need for support structures. Adding small amounts of molten metal at a time, lines are printed in mid-air. The team vision is an affordable, multiaxis MX3D tool for workshops around the world."
Follow the link to see a video of it, in use :o)
Particles come in pairs, which is why there should be an equal amount of matter and antimatter in the universe. Yet, scientists have not been able to detect any in the visible universe. Where is this missing antimatter? CERN scientist Rolf Landua returns to the seconds after the Big Bang to explain the disparity that allows humans to exist today.
View full lesson: here
ILLUMINATED CODE FROM SPACE
Bioartis Haari Tesla (behance) - "Macrocosm and microcosm is an ancient Greek Neo-Platonic schema of seeing the same patterns reproduced in all levels of the cosmos, from the largest scale (macrocosm or universe-level) all the way down to the smallest scale (microcosm or sub-sub-atomic or even metaphysical-level). In the system the midpoint is Man, who summarizes thecosmos." - I was doing some researches and I found experiment with miniatures of space so I decided to try my own. The result has been nebulae, galaxies and supernovae transformed into microorganism.
A saw that neat math gif at the bottom at mathani on Tumblr
This sketch started because of the “I have to make this” moment, but then I added a 2nd chord in the other circle, and an unconstrained point to compare it with.
So why is the segment of constant length?
On GeoGebraTube for you to investigate.
This is an animation of the Sierpiński triangle, a fractal fixed set named after the Polish mathematician Wacław Sierpiński.
Many Different Ways of Obtaining an Ellipse
In mathematics, an ellipse is a curve on a plane surrounding two focal points such that a straight line drawn from one of the focal points to any point on the curve and then back to the other focal point has the same length for every point on the curve. As such, it is a generalization of a circle which is a special type of an ellipse that has both focal points at the same location. The shape of an ellipse (how ‘elongated’ it is) is represented by its eccentricity which for an ellipse can be any number from 0 (the limiting case of a circle) to arbitrarily close to but less than 1.
There are many different ways of forming an ellipse. Above are a few examples!
- An animation of the Trammel of Archimides.
- An animation of Van Schooten’s Ellipse.
- An ellipse as a special case of a hypotrochoid.
- Matt Henderson’s animation of a curve surrounding two foci.
Can you think of other ways of forming an ellipse (there’s a really obvious method that isn’t listed above…)?
Particle collisions Inside the Large Hadron Collider