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Posts tagged with research

They knew I was a crazy mathematician and had no sense of reality

July29

“They knew I was a crazy mathematician and had no sense of reality.” Dr. Richard W Hamming For many years, Bell Labs ran an internal speaker series known as the Bell Communications Research Colloquia Series. This particular talk, given by Dr. Richard W Hamming in 1986, was focused on answering one question: “Why do so […]

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Mathematicians talk about their passions

November3
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From Poetry to Mathematics

October29

“When you teach, you do something useful. When you do research, most days you don’t.” This comment, by June Huh, explains his passion to teach others and probably explains why your own teacher loves their job too! Huh is a member of the rarefied Institute for Advanced Study, which lies adjacent to Princeton’s campus. As […]

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Sad loss to field of theoretical Mathematics

July16

Maryam Mirzakhani, an Iranian-born mathematician who in 2014 became the first woman awarded the Fields Medal, often called the most prestigious prize in mathematics, died July 15. She was 40. Stanford University, where she had been a professor since 2008, announced her death. The cause was breast cancer. Dr Mirzakhani grew up in Tehran and […]

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The Leaning Power of Pisa

March18

In the latest international PISA tests, some 500,000 students applied their skills to common tests in order to track their relative academic abilities. Asian countries have topped scorers in maths and science and, in 2015, Singapore became the first nation to top in all three subjects. The three nations that have fallen furthest since Pisa […]

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Academy ups the Math prerequesite in Oz universities

March17

All year 12 students should be made to study intermediate mathematics if they want to enrol in a science, engineering or commerce degree at university, according to a national report by the Australian Academy of Science (AAS). “This is an absolutely critical issue. We’ve hit a pretty low point,”  said the director of the Australian Mathematical Sciences Institute […]

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Racing at 2 million kms/hr!

February11

Hundreds of galaxies hiding on the other side of the Milky Way have been discovered by an international team of scientists. They were able to see through the stars and dust of the Milky Way, into a previously unexplored region of space using the Parkes radio telescope in New South Wales, Australia. Despite being just […]

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Does the Data Machine insult our intelligence?

October17

“We view the Data Science Machine as a natural complement to human intelligence,” says Max Kanter, whose MIT master’s thesis in computer science is the basis of the Data Science Machine. “There’s so much data out there to be analyzed. And right now it’s just sitting there not doing anything. So maybe we can come […]

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Rogue research with Mathematics

August2

Rogue waves (also known as freak waves, monster waves, killer waves, extreme waves, and abnormal waves) are relatively large and spontaneous surface waves that occur far out in open water, and are a threat even to large ships and ocean liners. (source: Wikipedia). Some of these waves can reach up to 10 storeys high. A […]

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We study math because of neck-ties!

February21

In a recent online discussion (read more here) about Prime Numbers, was this extract regarding the importance of research; “For what it’s worth, a great deal of mathematical research has no known application and little or no bearing on other fields. Some very smart people (Russell, Hardy) have argued that this is not a bad […]

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Post Support

Largest number between o and 1 million which does not contain the ‘n’ is 88

 

Rotation SAT Problem: Answer: 4 (see: https://www.youtube.com/watch?v=FUHkTs-Ipfg)

 

Which number has its letters in alphabetical order? Answer: F O R T Y

Hidden Rabbit? Clue: check the trees

How long for the stadium to fill? 45 minutes.

Where are you? the North Pole

Prize Object Puzzle: If Sue does not know where the prize is in the first question, it can’t be under the square. She must have been told it is under another shape. Apply this same logic to Colin. It is then obvious that the prize cannot be under a yellow object. That helps Sue eliminate her yellow shapes. Got the idea?

Algebra Puzzle: Answer = 1

Popular Math Problems Answers: 1, 1

Number of tabs? According to Lifehacker, the ideal number of tabs you should have open is nine. Yes, a single digit. To some, this is like playing a piano and only using a fraction of the notes!

Worst Graph? Where to start. What a visual mess and even some of the lines merge and are impossible to follow. A graph is a visual display of data, with the goal to identify trends or patterns. This is a spider’s web of information which fails to show a clear pattern at all. Solution? Well, different colors would help, or why not group in two or three graphs where trends are similar?

Number of different nets to make a cube is eleven – see this link

Homework Puzzle; The total value of the counters is 486, so halve this to get 243. Now, arrange the counters to equal this amount twice.

The graph on the left (Coronavirus) is for a time period of 30 days, while the one on the right (SARS) is for 8 months! Very poor graphical comparison and hardly relevant, unless it is attempting to downplay the seriousness of the coronavirus?

10 x 9 x 8 + (7 + 6) x 5 x 4 x (3 + 2) x 1 = 2020

NCEA Level 2 Algebra Problem. Using the information given, the shaded area = 9, that is:
y(y-8) = 9 –> y.y – 8y – 9 =0
–> (y-9)(y+1) = 0, therefore y = 9 (can’t have a distance of – 1 for the other solution for y)
Using the top and bottom of the rectangle,
x = (y-8)(y+2) = (9-8)(9+2) = 11
but, the left side = (x-4) = 11-4 = 7, but rhs = y+? = 9+?, which is greater than the value of the opp. side??
[I think that the left had side was a mistake and should have read (x+4)?]

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