छोटे मॅग्डेबर्ग हेमिस्फिअर – हवेच्या दाबाचं प्रात्यक्षिक

A low-cost model that shows the force of air pressure without a vacuum pump.

How to use it

• These miniature Magdeburg hemispheres are made from rubber
• Place the edges of the two hemisphere cups together and squeeze them to push out the air between them
• Once they are pressed together, you will find it difficult to pull them apart