The aurora australis or the 'southern lights', and the aurora borealis or the 'northern lights', are a 'curtain' of spectacular lights which are seen in the sky. The former are seen in the northern hemisphere (north pole to be precise) and the latter are seen in the southern hemisphere (south pole to be precise).
They are caused by the collision of the solar wind with the Earth's atmosphere.
In 1744 Mikhael Lomonosov published a paper on what causes heat and cold. He correctly concluded that heat must be a form of motion.
In 1828 Herr Wohler proved that organic compouds can be got from inorganic compounds.
In 1841 Johan Berzelius became the first person to convert charcoal to graphite.
In 1882 John Milne invented a modern seismograph to measure earthquake waves.
In 1862 Jimmy Joule and William Thomson established that as gas expands, it gets cooler.
Ready for some mind games...
Here we go -
Bring out your
calculator and do this:
1. Take the last digit of your
phone number.
2. Multiply by 2
3. Add 5
4. Multiply by 50
5. Add 1766
6. Subtract your year of birth
7. You will get three digits
8. The first digit is the last digit
of your phone number
9. The remaining digits are your
actual age...
Any objection?
Below are some solutions to the problem I posted in a previous post.
The solutions:
The answer is 96
The first solution is
(1×4+1=5)
(2×5+2=12)
(3×6+3=21)
(8×11+8=96)
The second solution is
1st term (5=5)
2nd term (5+7=12)
3rd term (5+7+9=21)
Hence the 8th term is
(5+7+9+11+13+15+17+19=96)
The third solution is
1st term (3×3-4=5)
2nd term (4×4-4=12)
3rd term (5×5-4=21)
8th term (10×10-4=96)
These are the answers to a quiz I posted sometime last year. The quiz was on Flora and Fauna.
1. According to scietists, which is the firdt 4-legged animal to invade the land?
Ans: Icthyostega
2. According to scientists which is the first ever bird?
Ans: Archeopteryx
3. Which is the fastest insect?
Ans: Dragon Fly
4. Which is the tallest grass?
Ans: Bambo
5. Which is the largest amphibian?
Ans: Giant Salamander
6. Which is the largest lizard?
Ans: Komodo Dragon
7. Which is the biggest bird in the world?
Ans: Ostrich
8. The hardest wood is from which tree?
Ans: Ironwood tree
9. What is the study of prehistoric animal and plant life through the analysis of fossil remains called?
Ans: Paleontology
10. The study of plants is called what?
Ans: Botany
