Recent content by Dave
-
Solve Medication Problem: Take Exactly 1 A & 1 B Pill
You do not know which pill is which, but you are 100% sure that each of the two piles now contains two halves of pill B and half of pill A. Now go back into the pill A box, take out a pill, cut it in half, and add one half to each stack. Now you have two stacks, each one containing two...- Dave
- Post #3
- Forum: Biology and Medical
-
Graduate Tensor Product of Covariant and Contravariant Vectors
I have just finished a math tensor course, it's really a lot of fun once you get going!- Dave
- Post #5
- Forum: Differential Geometry
-
Undergrad Preparing for Mechanics Physics: Tips for High Grades
Make sure you understand the concepts rather than just rope learning. -
High School An airplane flies due north at 150km/h with respect to the air
Does it also imply it's traveling in a direction to do with the air? -
What's Your Favorite Strategy Game and Why?
C&C.. great game.. I only have a slow computer tho!- Dave
- Post #7
- Forum: General Discussion
-
Undergrad Free Energy Device: Closest Inventors Have Come?
A superconductor. There's one that can run at 125K I think.- Dave
- Post #2
- Forum: Thermodynamics
-
News Feeding the World: Ideas for Sustainable Solutions
You get the impression the 3rd world countries don't do anything and wait for AIDS to wipe out the African nations...- Dave
- Post #16
- Forum: General Discussion
-
Graduate Are the people encountered in time travel the same as in the present?
Haven't you seen Back to the Future?- Dave
- Post #3
- Forum: Special and General Relativity
-
News Who's sick of seeing all those flags everywhere?
We're certainlly not as patrioctic as you are over here in NZ- Dave
- Post #5
- Forum: General Discussion
-
Undergrad Laser, color and speed of light
It does if the light is not in a vacuum. -
High School Do We See In Digital or Analog?
We see in analog but the messages are sent digitally?- Dave
- Post #6
- Forum: Other Physics Topics
-
Age Calculator: Find Out How Old You Are
22. Too old and too young.- Dave
- Post #11
- Forum: General Discussion
-
News Who's sick of seeing all those flags everywhere?
What flags are you talking about?- Dave
- Post #3
- Forum: General Discussion
-
Discover the Thrilling World of Devil May Cry 2 on PS2
I love TH3... what's your best combo?- Dave
- Post #4
- Forum: Computing and Technology
-
Undergrad Is the Wave Aspect of Light More Like a Snake or a Wave in Water?
A wave in water- I suppose. It means it can have wavelike properties.