Products
Smart biosensor, hospital POCT management system, cloud data open platform, cloud health management, chronic disease support system, chronic disease management center and medical management system. Hema will focus on the Internet + medical chronic disease management, develop a new mode of chronic disease management, connect patients and health management services through intelligent biosensors, and facilitate patient access to self health management guidance on the basis of data, so that medical staff and health management consultants can provide targeted treatment and guidance.
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Photovoltaic Windmills Toy
The photovoltaic windmills toy is also known as the light mill an educational and physical demonstration object returned by the English physicist Sir William Crookes ( 1832–1919 ) in the year 1873 was invented.
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Vacuum Cleaner Crookes Radiometer
Specifications of Vacuum Cleaner Crookes Radiometer:
Vanes in the Radiometer are alternately dark and light in color
Vanes transfer heat to each one but not at the same degree
Lighter vane reflects the rays and the darker vane absorbs the rays
For ages 7 and above
Recommened Age 6 thru adult
Light Mill Toy
This physical and technical miracle Light Mill Toy shows you in a clear way how sunlight is converted to energy. Place near a window or under incandescent light and watch as the vanes rotate. A Crookes' radiometer has four vanes suspended inside a glass bulb. Inside the bulb, there is a good vacuum. When you shine a light on the vanes in the crookes radiometer, they spin -- in bright sunlight, they can spin at several thousand rotations per minute!
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Solar Radiometer
The solar radiometer has become a technically interesting and entertaining object of modern living spaces and shows you at the window standing or hanging, every ray of sunshine through movement.
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Crookes Radiometer
The crookes radiometer is also known as the light mill an educational and physical demonstration object returned by the English physicist Sir William Crookes ( 1832–1919 ) in the year 1873 was invented. This small physical and technical miracle shows you in a clear way how sunlight is converted to energy - the sun as an energy source of the future!
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Wave Spring
This Wave Spring is ideal for visually demonstrating wave properties, such as frequency, wavelength, and interference, in the classroom. Can be used in a variety of experiments, and provides a hands-on teaching tool that students always seem to enjoy. Extends to thirty feet in length, measures about 6.5" fully coiled. Also makes a great gift for anyone who was or is a fan of the smaller toy version we all know from our childhoods.
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