Hydroponics is a one word description of raising plants in water and letting the
water carry the nutrients to the plant eliminating the need for dirt and allowing the grower complete control over the plants nutrient intake. Derived from the Greek word hydro, which means "water" and ponos, which means "labor or water-working".
Many people shy away from hydroponic gardening because they have no understanding of the methods and believe it to be beyond their kin. However with very little acquainting study you may find that hydroponics is ideal for you. Indoor gardening can be enjoyable an plants respond well to hydroponic gardening processes.
With the use of a pump and a timer you can set your plants up to receive the nutrients at timed intervals and adjust the ph level and nutrient level of the solution as you desire for optimal plant health.
Being an indoor process you won't have to worry about the weather being to hot or too cold, however if you are growing tropical plants say, you may want need get that thermostat cranked a little higher.
If you don't have an atrium you can use sodium lighting readily available for the gardening enthusiast, thus eliminating the need to rely on mother nature to provide the light. With the light the heat and the water you should have a ready made humidifier for your plants as the are in the growing room should hold plenty of moisture.
Because of how easy hydroponics is to do once you get your system set up and automated it is one method of indoor gardening you should carefully consider as source of gardening pleasure.