True or false
Astronauts in space shuttles use ‘no-rinse’ shampoo to wash their hair.
True. Water and soap stick to the skin in a state of weightlessness. Therefore, instead of normal shampoos that require water, astronauts use no-rinse shampoos. These shampoos, when massaged on to the head, give a good lather; which is then wiped off by using a towel.
Did you know? Thrushes take hundreds of power naps a day, a few seconds at a time, in mid-flight. Otters fall asleep floating on their backs, sometimes holding paws with their friends so they don’t drift apart. Giraffes snooze only 20 minutes a day, often curled up with their heads on their own rumps. Brown…
A Water Clock What you need: An empty one-litre mineral water bottle, a pin, a watch, measuring tape, a marker and some water. What you do: Make a small hole close to the bottom of the empty bottle with the help of a pin. Mark the bottom of the neck with a marker. Measure the…
Here is a trivia to brush up your knowledge- Q 1. Who administers oath of office to the President of India? Q.2 Rudyard Kipling based his ‘Jungle Book’ on a national park in India. Name the park. Q3. Which is India’s second permanent research station in Antartica called? Q4. Which is the…
“Black box” means The “black box” isn’t black. It is orange. Before airlines made that color standard for their flight recorders, some Boeings used a yellow sphere, and the British had a gizmo called the Red Egg. So, why is it called “black”? One explanation goes this way: In 1939, an aviation engineer named Francois…
According to author Walter Staples, there are five wonders which operate the mind. We think in pictures that are activated by words. For example, when we think of a wedding we see a bride in bridal costume and the happy faces of parents. When we think of a funeral, we picture sadness, sobbing a sense…
The Tower of Hanoi is a mathematical puzzle, invented by French Mathematician Edouard Lucas in 1983. Object of the game: There are three rods or towers, and on the first rod or tower is a stack of discs of different sizes arranged in the decreasing order of size from bottom to top. The object of…
