A compact 3D printing pen that lets you draw objects in three dimensions. It heats super hot so it can handle a wide variety of materials, and can even solder. Down the road, it will get add-on tips for woodburning, foam cutting and more.
Augmented reality is an enhanced media experience in an environment for a user. There are multiple types of experiences. These computer generated environments let you hear music or sounds, watch videos, move and scale a 3D model, or place you in a scene that can be anywhere. All of these possibilities are interactive and require the user to trigger the possible experience.
Projets, travaux de groupes, ateliers, les collègues des classes maternelles n'ont pas attendu l'apparition des TIC pour construire des situations d'apprentissage adaptées à leurs élèves. Cependant celles-ci abordées en tant qu'outils peuvent apporter enrichissement et diversification des possibilités. Directement utilisables par les élèves ou mises au service de projets collectifs, les TIC, devenant TICE, permettent en particulier de communiquer, de produire, de simuler, de s'exercer et font désormais partie des outils d'apprentissage à disposition des enseignants d'aujourd'hui.
A major challenge of systems biology is understanding how phenomena at the cellular scale correlate with activity at the organism level. A concerted effort has been made especially in the brain, as scientists are aiming to clarify how neural activity is translated into consciousness and other complex brain activities.
One example of the technologies needed is whole-brain imaging at single-cell resolution. This imaging normally involves preparing a highly transparent sample that minimizes light scattering and then imaging neurons tagged with fluorescent probes at different slices to produce a 3D representation. However, limitations in current methods prevent comprehensive study of the relationship. A new high-throughput method, CUBIC (Clear, Unobstructed Brain Imaging Cocktails and Computational Analysis), published in Cell, is a great leap forward, as it offers unprecedented rapid whole-brain imaging at single cell resolution and a simple protocol to clear up and make the brain sample transparent, is based on the use of amino-alcohols.
In combination with light sheet fluorescence microscopy, CUBIC was tested for rapid imaging of a number of mammalian systems, such as mouse and primate, showing its scalability for brains of different size. Additionally, it was used to acquire new spatial-temporal details of gene expression patterns in the hypothalamic circadian rhythm center. Moreover, by combining images taken from opposite directions, CUBIC enables whole brain imaging and direct comparison of brains in different environmental conditions.
CUBIC overcomes a number of obstacles compared with previous methods. One is the clearing and transparency protocol, which involves serially immersing fixed tissues into just two reagents for a relatively short time. Second, CUBIC is compatible with many fluorescent probes because of low quenching, which allows for probes with longer wavelengths and reduces concern for scattering when whole brain imaging while at the same time inviting multi-color imaging. Finally, it is highly reproducible and scalable. While other methods have achieved some of these qualities, CUBIC is the first to realize all.
CUBIC provides information on previously unattainable 3D gene expression profiles and neural networks at the systems level. Because of its rapid and high-throughput imaging, CUBIC offers extraordinary opportunity to analyze localized effects of genomic editing. It also is expected to identify neural connections at the whole brain level. In fact, last author Hiroki Ueda is optimistic about further application to even larger mammalian systems. “In the near future, we would like to apply CUBIC technology to whole-body imaging at single cell resolution”.
Join the NMC and our panel of Increasing Focus on Open Content thought leaders on Wednesday, October 1 at 8am PT / 10am CT/ 11am ET.
The movement toward open content reflects a change in the way educators and scholars are conceptualizing education. Information is everywhere now; the challenge is to make effective use of it. Often mistaken to simply mean “free of charge,” advocates of openness have worked toward defining “open” more broadly — not just free in economic terms, but also in terms of
L'université de Cambridge s'est fait fait offrir un don d'une somme assez exceptionnelle. A l'origine de cette donation, la fondation LEGO qui investit dans la pédagogie et les nouvelles méthodes d'enseignement.
[Image: Brown University graphics systems programmer Ben Knorlein demonstrated a program called Hypercube, which teaches students about geometry of the fourth dimension. Gretchen Ertl for The Boston Globe]
PROVIDENCE — In a darkened room, a group of people wearing 3-D glasses clustered around someone using a wand to draw a shape, a bit klutzily, in midair. As the virtual object grew, the spectators instinctively leaned back to get out of its way.
It was the first day of public life for the Yurt, Brown University’s immersive 3-D virtual-reality room. The $2.5 million facility, unveiled last month, is one of the most advanced of its kind in New England. And at a moment when virtual reality is poised for takeoff in the form of much cheaper home entertainment systems, its creators see the Yurt as a key site for exploration of not just math, geology, biology, and visual art, but also the potential of the medium itself.
Bereft of examples and inspiration, many educators struggle to conceive of iPad integration beyond mere substitution for whatever came before. Educators need guidance on how to leverage iPads as hubs of innovation that nurture the learning skills, competencies, and habits of mind that help students develop skills for today's world.
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