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Showing posts with label Lectures. Show all posts
Showing posts with label Lectures. Show all posts

Thursday, 10 March 2016

Tips On How To Detect Secret Cameras.

Experts have revealed that cameras can be installed in hidden in private places such as hotels rooms, trial rooms and public toilets to capture every of your moves.
We have been able to point out some tips to aid in the detection of these purported hidden cameras

  • Mirror
Observe the mirror closely. If the mirror is hanging on the wall you can easily check out behind its wall. But if the mirror is installed in the wall there can be chances of it being a two-way mirror. Two way mirrors are coated with tinted mirror pane substance. It gives way to some light (that is, it allows light to pass through it). You can press our face against the mirror with your hands around your eyes to block all the light and try to peer through the mirror.
You can also observe the mirror by tapping on the surface of the mirror: genuine mirror will produce a flat and dull sound whereas a two-way mirror will produce a hollow and reverberating sound as there is an open space at the other end.

  • Artifacts
Artifacts are also suitable places for hidden cameras, because those admiring them will always find the unusual pinholes of the art, appealing. So always check your homes for unusual small pin hole or designs. Some popular places are photo frames, bookshelves, air-purifiers, teddy bears, flowers pots, xmas trees, television etc.

  • Lights Out
Switch all lights off in the room and observe the mirror more closely with a flash light. The flash light will reveal the observatory room or hidden camera behind the camera.

  • Frequent Observations
Always search yourself and be vigilant whenever you observe or notice a foreign material on your clothes door, wall, shoes, pen, cap etc.

Monday, 22 February 2016

How to Help Your Child Get Over Math Anxiety

(NewsUSA) - Were you a math whiz growing up, or did you struggle and feel anxious at the mere mention of math? As a parent, you surely don't want your child to experience the same thing.

"It's easy to help your child not only excel at math but also enjoy it," says Raj Valli, the founder of Tabtor Math, a tablet-based math learning program for K-8 children personalized by a dedicated tutor. "Create a math-friendly environment, make math a playful language and participate in an ongoing dialogue about math."

Valli offers the following advice for helping your child enjoy math.

Create a positive environment around math. Since children model the attitudes of those around them, speak positively about math (even hiding your true feelings). Say encouraging phrases like, "It's really cool that you can use math every day."

Think about math as a language. Because children begin using language when they are very young, they don't feel the same anxiety about reading and writing as they do about math. To transfer this positive attitude over to math, approach math as a language, rather than as a "problem." Count things together, measure things together and talk about the numbers involved in any activity you are doing together. Don't worry too much about getting answers "right" or "wrong." Instead, help them think through the process of using math aloud, in words.

Hold a math "dialogue" centered on everyday activities. Once your child is comfortable with thinking about math in language terms, ask at the supermarket how many cookies are in a package and how your child calculated this answer. She might refer to the size of the package or the size of the cookies inside. Whether right or wrong, it's important to emphasize the process used in her head to make the guess. This gets her thinking about math as a visual subject involving shape and volume, rather than just as numbers in a line.

You might ask an older child how many slices of bread are in a loaf, how thick each slice is and how long the loaf is. Open the package to see how close the estimate was. He will learn to feel comfortable with estimating and will enjoy a conversation with you using math as a focal point.

If you set the stage correctly, you'll find that your child enjoys math more than you did and then you can relax and enjoy your child's future success in the classroom.

***A copyright free materials***

Sunday, 14 February 2016

How To Derive Easter Calendar - A Step by Step Approach

This procedure is a dramatic and accurate simplification of the official procedure used to calculate Easter Sunday dates, as described in Christian Prayer Books. Paschal Full Moon dates are copied directly from these Books. It was produced in 1995 by Ronald W. Mallen, Adelaide, South Australia. It requires just one division on a calculator, and three simple additions. To know more about the History of the Easter Dating Method Click Here.

This procedure appears more compactly in the 1988 Australian Almanac (titled "The Dating of Easter") held in the Canberra Library, Australia.

There are three steps to calculating the Easter Sunday date: 

Step 1) Obtain the Paschal Full Moon (PFM) date from Table 1
  • Use a calculator to divide the year by 19
  • Obtain the 3 digits after the decimal point
  • Find the Paschal Full Moon (PFM) date in Table 1 below
Then continue below with Step 2

Step 2) Add the 3 numbers obtained from Tables 2, 3 and 4

Add the 3 numbers you obtain from the "result" lines of Tables 2, 3 and 4 below.

For example, the year 2008 gives us a PFM date of M22 in Table 1 (for years 326 to 2599 A.D.)
  • M21 gives 3 from Table 2
  • the 20 in 2008 gives 0 from Table 3
  • the 08 in 2008 gives 3 from Table 4

Step 3) Find the Easter Sunday date from Table 5
Use the total result from step 2 to find the day of week of the PFM date in Table 5, then add the number of days shown to the PFM date to find the Easter Sunday date.

***Worked examples were situated after the tables below.

Table 1: PFM Date for Years 326 to 2599 (M=March, A=April)
Fraction
after dividing
year by 19
326
- 1582
1583
- 1699
1700
- 1899
1900
- 2199
2200
- 2299
2300
- 2399
2400
- 2499
2500
- 2599
.0 (none)
A5
A12
A13
A14
A15
A16
.052
M25
A1
A2
A3
A4
A5
.105
A13
M21
M22
M23
M24
M25
.157
A2
A9
A10
A11
A12
A13
.210
M22
M29
M30
M31
A1
A2
.263
A10
A17
A18
A18
M21
M22
.315
M30
A6
A7
A8
A9
A10
.368
A18
M26
M27
M28
M29
M30
.421
A7
A14
A15
A16
A17
A18
.473
M27
A3
A4
A5
A6
A7
.526
A15
M23
M24
M25
M26
M27
.578
A4
A11
A12
A13
A14
A15
.631
M24
M31
A1
A2
A3
A4
.684
A12
A18
M21
M22
M23
M24
.736
A1
A8
A9
A10
A11
A12
.789
M21
M28
M29
M30
M31
A1
.842
A9
A16
A17
A17
A18
M21
.894
M29
A5
A6
A7
A8
A9
.947
A17
M25
M26
M27
M28
M29




Table 2: PFM Date for year
(M=March, A=April)

-
-
M21
M22
M23
M24
M25

M26
M27
M28
M29
M30
M31
A1

A2
A3
A4
A5
A6
A7
A8

A9
A10
A11
A12
A13
A14
A15

A16
A17
A18
-
-
-
-
Result:
0
1
2
3
4
5
6

Table 3: First 2 digits of year
(eg 19 for 1995, or 03 for 326)

-
-
-
-
03
04
05

06
07
08
09
10
11
12

13
14
15*
-
-
15*
16

-
17
-
18
-
19
20

-
21
-
22
-
23
24

-
25
-
26
-
27
28

-
29
-
30
-
31
32

-
33
-
34
-
35
36

-
37
-
38
-
39
40
Result:
6
5
4
3
2
1
0
* for years 1500 to 1582, use the result of 4
*
 for years 1583 to 1599, use the result of 1

Table 4: Last 2 digits of year

00
01
02
03
-
04
05

06
07
-
08
09
10
11

-
12
13
14
15
-
16

17
18
19
-
20
21
22

23
-
24
25
26
27
-

28
29
30
31
-
32
33

34
35
-
36
37
38
39

-
40
41
42
43
-
44

45
46
47
-
48
49
50

51
-
52
53
54
55
-

56
57
58
59
-
60
61

62
63
-
64
65
66
67

-
68
69
70
71
-
72

73
74
75
-
76
77
78

79
-
80
81
82
83
-

84
85
86
87
-
88
89

90
91
-
92
93
94
95

-
96
97
98
99
-
-
Result:
0
1
2
3
4
5
6


Table 5: Following Sunday
Step 2 result:
0
1
2
3
4
5
6

7
8
9
10
11
12
13

14
15
16
17
18
-
-

Day of week
of PFM date:
Sun
Mon
Tue
Wed
Thu
Fri
Sat

Days to add for
next Sunday:
7
6
5
4
3
2
1


Example: To calculate the Easter Sunday Date for Year 2020
Solution: We have to go through three steps as stated earlier.

Step 1: Divide the year 2020 by 19
               = 106.315
So use the .315 part of the result obtained to find the Pashal Full Moon (PFM) date on Table 1.
The result from table 1 is A8, which implies April 8, 2020 A.D
Note: A8 was the result from table 1 not only because it falls under the 0.315 category but be cause it also falls between the year 1900 and 2199 category.

Step 2: it involves adding the three numbers obtained from the "result" lines of table 2,3 and 4
  • The first number that will be used to obtain result from table 2 will be the result from table 1 which is A8. So A8 gives 6 (on the result line) from table 2
  • The second number that will be used to obtain result from table 3 will be the first two digits of the year which is 20 in 2020 (e.g. 21 in 2134; 07 in 745). So 20 gives 0 (from the result line) in table 3.
  • The third number that will be used to obtain result from table 4 will be the last two digits of the year which s 20 in 2020 (e.g. 94 in 1894). So 20 gives 4 from table 4.
The total of these results is 6 + 0 + 4 = 10

Step 3: The total of the results obtained from step 2 will be used to find the day of the week of the PFM date in Table 5. Thereafter add the number of days shown to the PFM date to find the Easter Sunday date.
From the table 5, 10(result obtained from step 2) shows that the PFM date occurs on Wednesday, so we need to add 4 days to find the next Sunday which will be, 8 + 4 = 12
So therefore, 12th April will be the Easter Sunday date for the Year 2020 A.D.

Hope you did find this more educative. You can kindly pick a year at random but not later than 2599 because our PFM calendar stops at 2599. We will add more in subsequent lectures. Feel free to add your streamlined calculations to the comment box. You might be helping somebody out there.

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