LECTURES
P
H
Y
S
I
C
S
L
E
C
T
U
R
E
S
M
A
Y
/
J
U
N
E
/
2
0
2
0
/
4
1
M
A
Y
/
J
U
N
E
/
2
0
1
9
/
4
1
F
E
B
/
M
A
R
/
2
0
1
9
/
4
2
M
A
Y
/
J
U
N
E
/
2
0
1
9
/
4
2
M
A
Y
/
J
U
N
E
/
2
0
1
7
/
4
2
F
E
B
/
M
A
R
/
2
0
1
8
/
4
2
O
C
T
/
N
O
V
/
2
0
1
9
/
4
1
M
A
Y
/
J
U
N
E
/
2
0
1
8
/
4
1
F
E
B
/
M
A
R
/
2
0
2
0
/
4
2
M
A
Y
/
J
U
N
E
/
2
0
2
0
/
4
2
Home
Blogs
Timer
JOIN US
Home
Blogs
Timer
JOIN US
Home
Blogs
Timer
JOIN US
Home
Blogs
Timer
