http://www.aurasma.com/#/get-the-app
Related: créer des cours • TEC • docs à revoirA List of 20 Free Tools for Teachers to Create Awesome Presentations and Slideshows Below is a list of some of the best free tools teachers and students can use to create awesome slideshow and presentations. 1- KnovioKnovio gives life to static slides and with a simple click you will be able to turn them into rich video and audio presentations that you can share with your friends and colleagues via email or popular social media websites. Knovio does not require any software installation or download, it is all web based. 2- AheadAhead is a great presentation tool for educators. It works in such a way that it instantly transforms your layouts into a zooming presentation.
Violet By Ultra, Inc Share on Facebook Tweet on Twitter Men don’t seem to worry about skin cancer that much, but the fact is that they should. Yes, men aged 15 to 39 are more than twice as likely to die from melanoma as women. Maybe it’s time we start paying attention to how much sun we’re actually getting. Enter Violet by Ultra Inc, a new device that’s hoping to help you with just that. Eternal inflation Eternal inflation is predicted by many different models of cosmic inflation. MIT professor Alan H. Guth proposed an inflation model involving a "false vacuum" phase with positive vacuum energy. Parts of the Universe in that phase inflate, and only occasionally decay to lower-energy, non-inflating phases or the ground state. In chaotic inflation, proposed by physicist Andrei Linde, the peaks in the evolution of a scalar field (determining the energy of the vacuum) correspond to regions of rapid inflation which dominate.
Collapsus - Energy Risk Conspiracy Collapsus is an immersive web experience set in a near-future world after peak oil, where conspiracy and treason are rife. Against a dramatic backdrop of global energy politics, Collapsus combines interactivity with animation, fiction and documentary, inviting the user to embark on a quest to collect information, find solutions, and make crucial decisions that will leave their mark on a national and a global scale.www.collapsus.com See also our interview with the creators and producers of Collapsus and our walkthrough of Collapsus with audio commentary by director Tommy Pallotta. Awards Collapsus received an Emmy nomination for Best Digital Fiction, a People’s Choice Award and Interactive Award nominations at SXSW 2011, the Dutch Spin Award, and a World Summit Award.
Many-worlds interpretation The quantum-mechanical "Schrödinger's cat" paradox according to the many-worlds interpretation. In this interpretation, every event is a branch point; the cat is both alive and dead, even before the box is opened, but the "alive" and "dead" cats are in different branches of the universe, both of which are equally real, but which do not interact with each other.[1] The many-worlds interpretation is an interpretation of quantum mechanics that asserts the objective reality of the universal wavefunction and denies the actuality of wavefunction collapse.
flipgrid questions en lignes The website located at flipgrid.com and the mobile application called “Flipgrid” (the "App" and, together with the website, the "Site") and the services offered through the Site (the "Services") are copyrighted works belonging to Vidku, Inc. ("Flipgrid", "us", "our", and "we"). Certain features of the Site or Services may be subject to additional guidelines, terms, or rules, which will be posted on the Site or Services in connection with such features. All such additional terms, guidelines, and rules are incorporated by reference into these Terms. In the event of a conflict between the additional terms and any provision in these Terms, the additional terms will prevail, but only with respect to the Service to which the additional terms apply.
Quaternion Graphical representation of quaternion units product as 90°-rotation in 4D-space, ij = k, ji = −k, ij = −ji History[edit] Quaternion plaque on Brougham (Broom) Bridge, Dublin, which says: Convex regular polychoron The tesseract is one of 6 convex regular polychora In mathematics, a convex regular polychoron is a polychoron (4-polytope) that is both regular and convex. These are the four-dimensional analogs of the Platonic solids (in three dimensions) and the regular polygons (in two dimensions). These polychora were first described by the Swiss mathematician Ludwig Schläfli in the mid-19th century. Schläfli discovered that there are precisely six such figures.
Four-dimensional space In modern physics, space and time are unified in a four-dimensional Minkowski continuum called spacetime, whose metric treats the time dimension differently from the three spatial dimensions (see below for the definition of the Minkowski metric/pairing). Spacetime is not a Euclidean space. History[edit] An arithmetic of four dimensions called quaternions was defined by William Rowan Hamilton in 1843. This associative algebra was the source of the science of vector analysis in three dimensions as recounted in A History of Vector Analysis. Soon after tessarines and coquaternions were introduced as other four-dimensional algebras over R.