Comments for Re:thinking

Comment on Social networking sites pose "dangers" for educators? by community

community — Wed, 19 Jun 2013 07:15:23 +0000

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Comment on SBG Express: I've got a ticket to ride by ヴィトンバッグ人気

ヴィトンバッグ人気 — Wed, 19 Jun 2013 05:47:29 +0000

サロンタオルする必要がありますが強いと固体、しかし光に、毛穴や皮膚.
あなたがされている魅了うれしそうな落書きでパターンですか？すべて私たち顧客は排他的な、これはなぜです我々の世話それらを最適な注意。広範な列車し、もベールになったよく知られている。

Comment on Lightbulb Challenge: LED vs. Halogen by Nicolas

Nicolas — Thu, 06 Jun 2013 16:09:18 +0000

Ben,
Human eye is capable of responding to an enormous range of light intensity. The eye response to the light intensity is not linear and it does not help to make accurate side by side comparison. I suspect the lamp that you have is the 7-Watt GE energy smart that you find on the web site: http://pressroom.gelighting.com/news/7watt_led_par20#.UbCiMr2RJIp
From that web site it you can find the 7-watt lamp will generate (200 lumens). I was surprise to find on that same page only 570 lumens for a 50 watt halogen. I have seen on a lot of web pages between 800 and 950 lumens for halogen. Halogen is like LED for the same number of watt some are better than others. At the end you will need 3 x 7-watt lamp to get the equivalent.
Several month ago I decided to give LED a second chance. I bought those Philips 8W LED A19: http://www.homedepot.ca/product/8w-led-household-a19/926037
Yes, I know they look horrible but once you get over that they are well design and at the end it did calm down my grudge against LED lamp.
The Price of LED lamp is going down and the efficiency is going up if we are not there yet this is where we are going.

Comment on Pipe Insulation Roller Coasters: Rolling Friction by Es

Es — Fri, 31 May 2013 00:09:32 +0000

yoyoyo

Comment on Desks of the future? by Online Learning for Middle Schoolers: Is it Easier? | 1,000 Words or less

Online Learning for Middle Schoolers: Is it Easier? | 1,000 Words or less — Fri, 24 May 2013 15:17:30 +0000

[...] visit: Education News: Student Desks of the Future Feature Interactivity, Connectivity and Re:Thinking by Ben Wilderboer, educator Blog and Another educator’s blog about the future and Report: Online Learning Nearly Doubles [...]

Comment on Book Review: Choice Theory in the Classroom by jybuell

jybuell — Fri, 05 Apr 2013 04:46:13 +0000

Book Review: Choice Theory in the Classroom - Re:thinking http://t.co/MtY4bCzX4t via @@WillyB

Comment on Book Review: Choice Theory in the Classroom by WillyB

WillyB — Thu, 04 Apr 2013 19:25:08 +0000

My review of Choice Theory in the Classroom, where I claim the author seems to have missed 100 years of ed reform: http://t.co/NmYeWRJKmV

Comment on What is the purpose of Physics class? by Jane Jackson

Jane Jackson — Sat, 23 Feb 2013 06:29:49 +0000

Ben: Did you find time to take a Modeling Workshop in summer 2012? If not, please try in summer 2013. Many, many teachers say that it is the BEST professional development of their entire career! Workshops are described at http://modelinginstruction.org, and http:///www.ptec.org/pd . About 50 are offered each summer, in physics, chemistry, physical science and biology.

Comment on Worksheet labs aren't that great: Hooke's Law by Thomas Atnip

Thomas Atnip — Tue, 27 Nov 2012 13:52:52 +0000

How does the length of the clamped hacksaw affect the period of the oscillation created when it is flung?

Comment on The SuperStorm Sandy Disaster Relief Marathon Results Are In! by JudyArzt (@JudyArzt)

JudyArzt (@JudyArzt) — Wed, 07 Nov 2012 01:09:38 +0000

Impressive and clever blog post.