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| take version 1.0 of my abzan mid-range deck out for a little tournament prep All Background Music Provided under share a like attribution |
| This is our mid-season video for the 2014-15 Cascade Effect FIRST Tech Challenge season. To learn more about our team, visit our website and Facebook page. To learn more about this season's robot game, visit the FIRST website: Team Brick Buddies 2014-15: Sumukh Shivakumar John David Kappeler Elizabeth Adair Nathan Nester |
| Corsair's Vengeance C70 computer case is designed to make your gaming system look as rugged as it performs. Available in white, green, and black, you can pick the one that matches your themed build! CA: US: |
| (2014/7/23) Here is Next Levitation Project! Three-Dimensional Mid-Air Acoustic Manipulation (2013,2014-) Yoichi Ochiai / ????(The University of Tokyo / ????) Takayuki Hoshi / ???(Nagoya Institute of Technology / ???????) Jun Rekimoto / ???? (The University of Tokyo / Sony CSL) contact: [email protected] The essence of levitation technology is the countervailing of gravity. It is known that an ultrasound standing wave is capable of suspending small particles at its sound pressure nodes and, so far, this method has been used to levitate lightweight particles, small creatures, and water droplets. The acoustic axis of the ultrasound beam in these previous studies was parallel to the gravitational force, and the levitated objects were manipulated along the fixed axis (i.e. one-dimensionally) by controlling the phases or frequencies of bolted Langevin-type transducers. In the present study, we considered extended acoustic manipulation whereby millimetre-sized particles were levitated and moved three-dimensionally by localised ultrasonic standing waves, which were generated by ultrasonic phased arrays. Our manipulation system has two original features. One is the direction of the ultrasound beam, which is arbitrary because the force acting toward its centre is also utilised. The other is the manipulation principle by which a localised standing wave is generated at an arbitrary position and moved three-dimensionally by opposed and ultrasonic phased arrays. We experimentally confirmed that various materials could be manipulated by our proposed method. Yoichi Ochiai, Takayuki Hoshi, Jun Rekimoto: Three-dimensional Mid-air Acoustic Manipulation by Ultrasonic Phased Arrays arXiv:1312.4006 [physics.class-ph] @ARTICLE{2013arXiv1312.4006O, author = {{Ochiai}, Y. and {Hoshi}, T. and {Rekimoto}, J.}, title = "{Three-dimensional Mid-air Acoustic Manipulation by Ultrasonic Phased Arrays}", journal = {ArXiv e-prints}, archivePrefix = "arXiv", eprint = {1312.4006}, primaryClass = "physics.class-ph", keywords = {Physics - Classical Physics, H.5.2}, year = 2013, month = dec, adsurl = {, adsnote = {Provided by the SAO/NASA Astrophysics Data System} } Music from |
| 2012 Fall semester SIT CSSA Mid-autumn Festival gala video, enjoy and have fun!!! |
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