667 reputation
1829
bio website commonsensemedia.org
location United States
age 31
visits member for 3 years, 2 months
seen Dec 21 '13 at 3:45

We still do not know everything. Good Times.


Jun
26
awarded  Nice Question
May
8
awarded  Taxonomist
May
8
awarded  Yearling
Apr
23
awarded  Famous Question
May
8
awarded  Yearling
Dec
8
comment Does the weight of an hourglass change when sands are falling inside?
brevity is appreciated but a link only answer is not very helpful. If you could possibly paraphrase or share some relavent points based on the op's question to expand on your answer it may be more helpful.
Dec
4
comment Everyday example of diffusion unobscured by advection, wetting etc
That sounds like very interesting experiment and using a webcam and computer to plot everything and get the students involved is great.
Dec
4
answered Does the weight of an hourglass change when sands are falling inside?
Dec
4
awarded  Informed
Nov
19
awarded  Promoter
Nov
15
awarded  Notable Question
Nov
5
awarded  Tumbleweed
Oct
29
comment Changing Momentum
very good concept question and specific to boot +1
Oct
29
comment Ways of achieving parallel rays of light?
very clever answer +1
Oct
29
answered What is the opposite of the Planck length?
Oct
22
comment Does a black hole have an interior or does the spacetime manifold itself end at the event horizon?
I believe you have answered your own question time and space can not continue as normal past the horizon therefore nothing we understand can exist without time and/or space. -1
Jul
3
awarded  Nice Question
May
8
awarded  Yearling
Apr
20
awarded  Popular Question
Dec
19
comment What is the experiment where subatomic particles appear to foresee the future?
+1 great edit shows initiative and interest. Good question