A regular motorcycle has a ‘sequential’ manual transmission, meaning you can only shift up or down one gear at a time. It is also designed to spin one way only. Adding reverse would require the crankshaft to spin backwards, or a much larger, heavier, expensive transmission. So it is easiest to dismount and push the bike backwards.

All species of animals, including man, of course, have developed very gradually over millions and millions of years. In this way, each animal strengthens and improves those parts of its body which are particularly useful, and the various parts which are not so useful diminish or are adapted. This evolution happens very, very slowly, and changes can only be seen …

Trees do not grow on mountain tops either because the situation is too exposed, or because the soil is too thin or too frozen to allow their roots to draw nourishment from the ground. In most mountainous areas there is usually a clearly marked timberline, a boundary above which there is no tree growth. Sometimes the height of the timberline …

Cranes do not topple over because their jibs or booms are counter balanced at the opposite end from the the lifted load, thus keeping the center of gravity over the base. The first cranes were simply long poles fixed in the ground at an angle, with a pulley at the top through which passed a rope. They were called “cranes” …

Now how is that possible? The fact is, for a living creature to get a ‘shock’ there has to be a substantial flow of current through the body. However, there is barely any current running through the bird’s body for two reasons. Firstly, the bird not only forms a circuit with the wire, but it also offers a high resistance …

Distilled water does — but very little compared to piped, well or salt water. The reason is that the way a liquid conducts electricity is by the positively or negatively charged ions that are actually moving from one of the electrodes to the other, carrying charge (electricity) with them. Salt water has salt in it, NaCl, which readily ionizes or …

Well, as a matter of fact the sun is shining at night, but we can’t see it. The Earth, which is rotating in space, turns completely round once every twenty-four hours. In the course of this rotation each part of the glob will be facing the sun for a certain amount of time. It is this time which we call …

Suhas Gopinath, was born in November 4, 1986. He is an Indian entrepreneur. He is the founder, CEO, and Chairman of Globals Inc, an IT multinational company. Early Life Suhas Gopinath was born in Bengaluru, Karnataka, India. He launched a web site called CoolHindustan.com at the age of 14, and incorporated his company at the age of 14, making him …

All the food we eat goes into our stomach. Here, it is broken into smaller and simpler substances and get absorbed into the blood. Then, the blood carries these food particles to the different cells of the body, where they are used to provide energy to our body. How is food broken into smaller particles? When we eat, the glands …

There wouldn’t be much point in locking your door if you knew that anyone cold come along with another key and unlock it! Locks and keys are made for keeping things safe from burglary or damage, and you should always lock up a house if you are going our, or a car if you are leaving it parked in a …