It's AumSum Time What if you fell into a black hole? I'll color it with my color pencils. No. Boundary of the black hole is called event
horizon. Small black holes have stronger gravitational
forces than large ones. If you fell towards a small black hole. The strong gravitational forces would stretch
you. Until you are torn apart, even before you
cross the event horizon. In case of a large black hole. You would be able to enter it, unharmed. Falling freely until you reach its
center or point of singularity. Here, you would get squashed and merge into
it. But your friend observing this from outside
never actually sees you enter the black hole. He just sees you fall in slow motion, freeze
and then go dimmer. Why? Because our current laws of physics don't
apply beyond the event horizon. Making it impossible for us to see beyond. Which is the best sleeping position? Mine. Alright. Let's see. Sleeping on our back allows our spine to rest
in a neutral position. Preventing neck and back pain. Also, as the face is not pressed against the
pillow. It avoids over wrinkling. However, this position is prone to more snoring. Sleeping on our stomach prevents snoring but
makes it difficult to maintain a neutral spine position. It puts pressure on our joints and muscles,
leading to numbness, neck and back pain, etc. Sleeping on our side keeps the spine elongated
and prevents neck and back pain. Sleeping especially on the left side decreases
acid reflux, improves blood circulation, digestion, etc. However, side sleeping presses our face against
the pillow and increases the chances of wrinkling. Some people even curl up tightly while sleeping
on one side. This restricts breathing. Now, since all positions have advantages and
disadvantages, there is no best position. But if sleeping in a specific position is
causing problems. You can switch to other positions for better results. Are wisdom teeth still useful? Obviously, Because wisdom teeth make us intelligent. No. There are 32 permanent teeth. Out of which four wisdom teeth begin to grow a little late. Now, when our ancient ancestors used to eat
plant material and raw meat. They required big strong jaws and wisdom teeth
to chew their food. As they learned to cook food, they
no longer required those big jaws. Hence, through evolution, the jaws started
to get smaller and smaller. But the wisdom teeth did not disappear through evolution. They still exist. But since they appear a little late The remaining teeth usually take up the available
space in the small jaw. Leaving no room for the wisdom teeth. Hence, they begin to grow at odd angles. And push other teeth causing pain, swelling,
tooth decay and even infection. Hence, in such cases, wisdom teeth can prove
to be harmful and not useful. Is sleeping in contact lenses bad? Not at all. They help us see our dreams more clearly. Oh. Stop bluffing. Contact lenses act like a sponge and absorb
the moisture present in our eyes. They even trap bacteria. So, wearing them for too long. Failing to clean them periodically and sleeping
in them can cause excessive dryness. And even eye infection. In addition to this, unlike other parts of
our body. The cornea of our eye receives oxygen from
the surrounding air and not from blood vessels. Now, when we wear contact lenses during the
day, it reduces the oxygen supply to the cornea. But when we wear them while sleeping also,
it further reduces the oxygen supply to the cornea. Hence, to satisfy the oxygen need, tiny blood
vessels grow in the cornea. Thus causing blurred vision.
