The Future is Here

 The Hard Truths About Life that No One Tells You. 1. Success is simply a pile of failures stacked together as a ladder to test your faith, determination, passion, persistence, and resilience, but more importantly, to make your success valid. 2. When people cheer you up, don't rejoice because of that. Rejoice because you have seen your destiny. There are those who rejoice with you but deep inside, they are praying for your downfall. 3. No number of self-help books, inspirational videos, and motivational seminars can change a person unless they are willing to sacrifice all of their bad habits. 4. The majority of people are not living happily. They are actually living other people’s dreams and pretending that they are happy. 5. Nothing is permanent. Even the fire of a blissful love affair that started off as a fiery tale begins to dim the moment you encounter the rough, unmerciful, and uncompromising patches of life. 6. Everybody is selfish to the extent that nobody will see their he...

How does a Parabolic Antenna work? An antenna has an active element that picks up or sends out radio waves. This active element is the one connected to the electronic circuitry. An antenna is essentially a transducer. It converts electrical energy into electromagnetic energy as as way of coupling the electronic circuit to the medium of communication called free space. Dish antenna is curved so that all the radiation that strikes it is reflected to converge at one single point - its focus - where the amplifier or the receiver is placed. It is a parabolic reflector - a curved surface with the cross-sectional shape of a pararabola that directs the incoming waves to the focal point. This enables the maximum signal strength. The same reason why a concave mirror is used in a reflecting telescope; it gathers all the photons and focusses it to one single point. The satellite is situated in an orbit about 22,000 miles, or 36,000 km for those who like to count in tens, up. At this point the orb...

Why does banging your Elbow give you an Electric Shock? The spot where it occurs is called the funny bone. The funny “bone” is actually a long vine of a nerve called the Ulnar Nerve. Between the humerus and the forearm there exists a void, what is called the cubital tunnel , where the nerve is the most vulnerable as at the elbow the nerve is less protected by muscle, fat and skin and can be easily bumped. When you hit your funny bone against something, the unprotected nerve is pressed against the bone. It is the squeezed or irritated ulnar nerve that spouts the waves of pain, emitting the “electric shock” . The waves terrorize the regions innervated by the nerve: the forearm, the pinkie and half of the ring finger. A pinched nerve can start in several places throughout your body, but usually in the joints. When a pinched nerve is in your elbow, it can leave your arm and hand feeling sore, numb, or weak. Pain and tingling sensations to shoot down your forearm. People often describe t...

  What causes Bones to make popping sounds? To understand what happens when we 'crack' our knuckles , or any other joint, first we need a little background about the nature of the joints of the body. The type of joints that we can most easily 'pop' or 'crack' are the diarthrodial joints . These are our most typical joints. They consist of two bones that contact each other at their cartilage surfaces; the cartilage surfaces are surrounded by a joint capsule. Inside the joint capsule is a lubricant, known as synovial fluid , which also serves as a source of nutrients for the cells that maintain the joint cartilage. In addition, the synovial fluid contains dissolved gases, including oxygen, nitrogen and carbon dioxide. The easiest joints to pop are the ones in our fingers (the interphalangeal and the metacarpophalangeal joints) . As the joint capsule stretches, its expansion is limited by a number of factors. When small forces are applied to the joint, one factor...