typos fixed thanks to Jordan

1 files changed, 5 insertions, 5 deletions

diff --git a/supcon.tex b/supcon.tex
index 4342ff3..59635c1 100644
--- a/supcon.tex
+++ b/supcon.tex
@@ -3,7 +3,7 @@
 
 \chapter{Superconductivity}
 
- \textbf{Experiment objectives}: study behavior of a high temperature superconducting material
+ \textbf{Experiment objectives}: study the behavior of a high temperature superconducting material
     Yttrium-Barium-Copper-Oxide (YBCO, YBa$_2$Cu$_3$O$_7$) in magnetic field, measure the critical
  temperature for a phase transition in a superconductor.
 
@@ -16,7 +16,7 @@ quantum mechanics. Basically, when atoms form a solid, the atomic levels of the
 electrons combine to form bands. That is, over a finite range of energies there
 are states available to electrons. Since only one electron can occupy a given
 state, as described by the {\bf Pauli Exclusion Principle}, electrons will fill these states up
-to some maximum: the Fermi Energy: $E_f$.  A solid is a metal if it has an
+to some maximum: the Fermi Energy, $E_f$.  A solid is a metal if it has an
 energy band that is not full. The electrons are then free to move about,
 making a metal a good conductor of electricity. If the solid has a band
 that is completely full, with an energy gap to the next band,  that solid will not
@@ -38,7 +38,7 @@ dissipation.
     at 35 K. Several groups later discovered materials that would
     superconduct at temperatures up to 125 K. These materials are
     called high temperature superconductors (HTS). Their discovery
-    was a breakthrough, because this means that these
+    was a breakthrough, because it meant that these
     superconductors will work in liquid nitrogen (at 77 K), which
     is relatively cheap and abundant.
 
@@ -130,7 +130,7 @@ temperature falls below critical.
     resistances. Connect a voltmeter (with 0.01 mV resolution) to
     the yellow wires. Connect a current source through an ammeter
     to the {\bf black} wires. Place a current of about 0.2 Amps (200 mA)
-    through black leads. Note: {\bf DO NOT EXCEED 0.5 AMP!!!!}
+    through the black leads. Note: {\bf DO NOT EXCEED 0.5 AMP!!!!}
     %On the
 %    Elinco power supplies, you hardly have to turn the knobs at
 %    all!
@@ -140,7 +140,7 @@ At room temperature, you should be reading a non-zero
 \begin{enumerate}
  \item With the voltage, current and thermocouple leads attached,
     carefully place the disk in the container. Pour liquid nitrogen into the
-    container. Wait until temperature reaches 77 K.
+    container. Wait until the temperature reaches 77 K.
 \item With tweezers,  take the disk out of nitrogen and place it outside of
 	the container. {\bf Start quickly recording the current, voltage and thermocouple readings
    as the disk warms up.} When superconducting, the disk should have