Free Science Videos and Lectures

The experiment "Volcano" is created using just ammonium dichromate which when burned creates this spectacular volcano effect.

For your information, ammonium dichromate, sometimes known as Vesuvian...

This science video contains:
experiment, burning, fire, volcano, ammonium dichromate, vesuvian fire

The most famous American astronomer and astrophysicist Carl Sagan explains the Drake equation.

The Drake equation (rarely also called the Green Bank equation or the Sagan equation) is a famous...

This science video contains:
life, planets, stars, carl sagan, drake equation, extraterrestrial intelligence

The potential between two lines is 500kV, that's half a megavolt! At these potentials the air molecules get ionized and the air transfers electricity creating an impressive electric discharge.

The...

This science video contains:
power station, 500 kV, current, electricity, eldorado, boulder city, nevada, electric potential, discharge

Researchers at the National Science Museum of Japan have the first video of giant squid caught somewhere in Japan.

Japanese scientists caught the huge animal on film while researching inhabitants...

This science video contains:
national science museum, japan, researchers, squid, ocean, deep sea

Potassium is a chemical element. It has the symbol K (Latin: kalium) and atomic number 19.
The name "potassium" comes from the word "potash", as potassium was first isolated from potash....

This science video contains:
water, sparks, reaction, fire, potassium, alkali