The classic baking soda and vinegar volcano experiment, popularized as a hands-on STEM activity for children, simulates an erupting volcano using everyday household items to demonstrate acid-base ...

Last year, in July, Reine Protacio’s experiments suddenly stopped working. Every scientist encounters baffling results from time to time; you chalk it up to error, repeat the experiment, and hope for ...

This photo shows the upper part of the water tornado model. The acrylic glas tank has a diameter of 50 centimetres and is illuminated with LED strips. The water forms a vortex whose surface shape ...