Double Crookes Radiometer DIY

(Adolf Cortel, August 2012) Homemade radiometer with two vanes blackened in opposite faces which turn in opposite directions. The video shows the effect of different degrees of vacuum in the speed of rotation as well as different sources of light (IR bulb 250 W, sunlight, visible and IR lasers.

• #science_technology
• #crookes
• #radiometer
• #radiation
• #physics
• #experiment
• #demonstration
• #vacuum
• #kinetic
• #theory
• #glow
• #discharge
• #tube
• #red
• #green
• #violet
• #ir
• #infrared
• #laser