electric current
Science Question: Light a bulb
11/02/08 13:33 Filed in: General
Science
- Question: Can you light a light bulb with just 1 battery and 1 wire?
In this case, it is a bare copper wire, a plane light bulb and a D-cell battery Read More...
Sparks and Switches
29/01/08 17:19 Filed in: Physics
When you open a switch (break the circuit) in a
circuit, you will usually see a tiny spark. This is
because there is inductance in the circuit so that
you can't instantaneously change the current. Is it
possible to open a switch with absolutely no spark?
Clearly you can make a circuit with a non-noticeable
spark. Read
More...
Are you smarter than a 5th grader sits on a throne of lies
11/01/08 13:01 Filed in: General
Science
I do not like the show
"Are you Smarter than a 5th Grader". The main reason
for my dissatisfaction is that they probably use real
questions from real schools. And here lies the
problem. Read
More...
