Category Archives: Science

When people’s teeth exploded like bomb

Yes, there is enough evidence that many people’s teeth exploded like bomb in their mouth. It was in 19th century and it’s still a mystery; no one knows why it happened. The dental cosmos was the first major journal for American dentists, in this journal a Pennsylvania dentist WH Atkinson documented an outbreak of… Read the rest

Sea salt and Table salt

For thousands of years salt was a very important commodity. Producing salt from sea water wasn’t easy but salt was necessary for preserving foods. In fact salt enabled human civilization to preserve foods. It was a very expensive commodity and in sometimes roman armies were paid in salt. The word salary comes from the Latin… Read the rest

Make a basic electric motor

Electric motor converts electrical energy into mechanical energy. To understand the working principle you can build a simple motor at home. For this experiment you will need thin insulated wire, battery, paper clip or safety pin, tape, scissors, crocodile clip and adhesive tape. First video is very simple; it shows how to build simple motor… Read the rest

Washing hair in space

Every astronauts floats like superheroes in the weightless environment of space station. Not only astronauts everything including water floats there, so without running water washing hair isn’t easy. In this video astronaut Karen Nyberg shows how she washes her hair with shampoo in space. It’s different and tricky.… Read the rest

Lemon battery

Making a lemon battery is very easy. Lemon contains citric acid and with the help of citric acid two different metals can generate electricity. You will need lemon, copper coin, zinc coated nail, crocodile clip, multimeter and a LED to make battery. It can be a science fair project also. So watch this hilaroad video… Read the rest

Sleeping in space

How do astronauts sleep in space? It’s little different. Astronauts feel virtually weightless there and a sleeping astronaut may float away from one end of space station to other end. So they sleep inside a sleeping bag which is attached to the space station. Astronaut Chris Hadfield explains in this video.… Read the rest

Battery from coin

It’s a very simple experiment to generate electricity from copper coins and I bet you will enjoy. This copper coin battery can light LED, can power your TV remote controller. Along with ten copper coins you will need cardboard, foil, vinegar, salt water, scissors, plastic tape and a LED to check whether your battery is… Read the rest