Thursday, September 24, 2015

Tech Article 9/25

Researchers Li Yi Hsu, Thomas Lepetit, and Boubacar Kante have successfully been able to create an ultra thin "dielectric metasurface cloak." It is composed of multitude of ceramic cylinders embedded into a layer of Teflon. The coating is able to mask objects from visible light and radio wavelengths, just like an invisibility cloak and the military is very aware of this. This new cloak is very well functioned by either absorbing or even directing electromagnetic waves away from an object which makes the object effectively "invisible." First, Kante told the Army Times, the new material his team had just discovered rather uses ceramics than metal particles which makes the material easier and cheaper to manufacture. Then, having the method of using ceramics and Teflon helps to allow the cloak to be more effective with coating layers that are as thin as millimeters. Kayla Matola, a research analyst with the Homeland Defense and Security Information Analysis Center (HDIAC), told the Army Times that this new cloaking technology is "basically what the military is looking for."

Tuesday, September 22, 2015

Web 2.0: Multimedia Blog Pre-Posting

        In my math class year, I have Algebra 1. My teacher for this year is Mr. Ben-Nun. I think he is a really good teacher because he helps me understand more about the concept. This helps me a lot because im not the best at certain math concepts. I expect to learn a lot from this class this year. I expect to know more about algebra or even find out new ways to do algebra problems that I didn't know or couldn't figure out very well at the time. For example, I need to learn a bit more of multi-step equations because i wasn't good with it at all last year. Hopefully I can find it more accessible this year.
        So far,  in class we have been doing review packets and we are starting to get into integers. I would expect this because this is the third week of school and I wouldn't expect to learn that much yet. In Pre-Algebra this year, Mr. Ben-Nun is counting homework for 10% or our grade. It might not seem like a lot but it really is. you will really find a difference when u don't do a homework assignment and u check how much your grade dropped. We haven't really gotten to projects yet but I am sure we will very soon.
        At the moment, technology isn't really used in this class. We although sometimes can use the online textbook at home if that counts in any way. I am sure we are going to use Chromebooks this year for work like Think Through Math as we very well did last year. To conclude this, I have very high hopes this year for my Algebra 1 class. Hopefully I will either learn things i've never learned before or get more help on things that I have learned but have had a pretty hard time getting through with.

http://dporfido.blogspot.com/
http://www.phschool.com/webcodes10/index.cfm?fuseaction=home.gotoWebCode&wcprefix=aek&wcsuffix=0099