Top 10 Vacuum Radiometer

0
791 reviews analysed

1. Lily’s Home Solar Radiometer Crookes Light Mill for Detecting Sunlight and Electromagnetic Radiation, Fascinating and Functional Gift Ideal for Student or Science Guru, Clear Sphere, 4″ Dia. Clear

Lily's Home Solar Radiometer Crookes Light Mill for Detecting Sunlight and Electromagnetic Radiation, Fascinating and Functional Gift Ideal for Student or Science Guru, Clear Sphere, 4

Feature

Description

Color:Clear

Invented in 1873 by the chemist Sir William Crookes as the by-product of some chemical research, the radiometer is made from a glass bulb from which much of the air has been removed to form a partial vacuum. Inside the bulb, on a low friction spindle, is a rotor with several (usually four) vertical lightweight metal vanes spaced equally around the axis. The vanes are polished or white on one side and black on the other. When exposed to sunlight, artificial light, or infrared radiation (even the heat of a hand nearby can be enough), the vanes turn with no apparent motive power, the dark sides retreating from the radiation source and the light sides advancing. Just place near a window or under a direct incandescent light as the vanes only rotates in light (sunlight or incandescent light). The more light shine on the globe the faster the vanes rotates.

2. Lily’s Home Solar Radiometer Crookes Light Mill for Detecting Sunlight and Electromagnetic Radiation, Ideal Gift for The Student or Science Guru, Chain of 3 Clear Spheres

Lily's Home Solar Radiometer Crookes Light Mill for Detecting Sunlight and Electromagnetic Radiation, Ideal Gift for The Student or Science Guru, Chain of 3 Clear Spheres

Feature

Description

Invented in 1873 by the chemist Sir William Crookes as the by-product of some chemical research, the radiometer is made from a glass bulb from which much of the air has been removed to form a partial vacuum. Inside the bulb, on a low friction spindle, is a rotor with several (usually four) vertical lightweight metal vanes spaced equally around the axis. The vanes are polished or white on one side and black on the other. When exposed to sunlight, artificial light, or infrared radiation (even the heat of a hand nearby can be enough), the vanes turn with no apparent motive power, the dark sides retreating from the radiation source and the light sides advancing. You are getting 3 such radiometer spheres that are about 3.4 inch, 3.15 inch and 2.36 inch diameter each and a glass drop. Just hang near a window as the vanes only rotates in light (sunlight or incandescent light). The more light shine on the globes the faster the vanes rotates.

3. 4 Blades Rotating Glass Windmill Solar Powered Crookes Radiometer Light Mill/Educational Teaching Study Tool/Office Home

4 Blades Rotating Glass Windmill Solar Powered Crookes Radiometer Light Mill/Educational Teaching Study Tool/Office Home

Feature

Description

Product Description:
Invented in 1873 by the chemist Sir William Crookes as the by-product of some chemical research, the radiometer is made from a glass bulb from which much of the air has been removed to form a partial vacuum. Inside the bulb, on a low friction spindle, is a rotor with several (usually four) vertical lightweight metal vanes spaced equally around the axis. The vanes are polished or white on one side and black on the other. When exposed to sunlight, artificial light, or infrared radiation (even the heat of a hand nearby can be enough), the vanes turn with no apparent motive power, the dark sides retreating from the radiation source and the light sides advancing. Just place near a window or under a direct incandescent light as the vanes only rotates in light (sunlight or incandescent light). The more light shine on the globe the faster the vanes rotates.

Specification:
Material: Glass
Color: Clear
Base Size: 60mm
Height:130mm
Sphere diameter: 70mm
Package Included:
1 x Crookes Radiometer

Features:
Magnificent Glass Radiometer, makes a great gift for the one who have everything. All made of glass. Globe is 3.5 inch in diameter and stands 8 inch tall.
This physical and technical miracle 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.

Notice:
1.Please allow 1-3mm error due to manual measurement.Pls make sure you do not mind before you bid.
2.The color may have different as the difference display,pls understand.

4. 100pcs/Bag Dental Disposable Saliva Ejector Low Volume Suction Aspirator Tube

100pcs/Bag Dental Disposable Saliva Ejector Low Volume Suction Aspirator Tube

Feature

Description

Type: Disposable Packing: 100 Pcs per bag Color: Brown Advantage Fit all standard saliva ejector hose ends. Pliable, holds their shape and the tip minimizes tissue impingement. Contours to custom-fit each patient’s mouth. Non-clogging.

5. 60 Minute Triple Globe Hourglass Timer w/Golden Sand

60 Minute Triple Globe Hourglass Timer w/Golden Sand

Feature

Description

Standing at 11.75″ in height, and with a diameter of 4″ at the widest points, this glass sand timer will run for an hour, as long as all the sand is at one end before it’s flipped over. The hourglass was designed in a triple globe style, with the two end globes being separated by a smaller one. The golden colored sand flows from the top globe down through the middle, to the one at the bottom. At times, it will accumulate in the central globe, though this is not a problem, as it should still be flowing downwards.

6. DjuiinoStar Hot Air Stirling Engine (4-Cylinder), Electricity Generator (Light up LED), Ready to Run (Glass Heat Tube)

DjuiinoStar Hot Air Stirling Engine (4-Cylinder), Electricity Generator (Light up LED), Ready to Run (Glass Heat Tube)

Feature

7. Scientific Curiosities Tornado-Spheres Playset

Scientific Curiosities Tornado-Spheres Playset

Feature

Description

Spin the tornado spheres on a smooth surface and use the blowpipe included to accelerate their rotation. When the Tornado Spheres are spinning you can create a fascinating miniature light show by shining the LED mini lights included at them from different angles. Try it in a darkened room for best effects!.

8. Portable Handle Geiger Counter 0.01 μSv/h DIY Kit Nuclear Radiation Detector with Miller GM Tube Gamma Beta Ray Suit for Arduino

Portable Handle Geiger Counter 0.01 μSv/h DIY Kit Nuclear Radiation Detector with Miller GM Tube Gamma Beta Ray Suit for Arduino

Feature

Description

MODEL:NGMC-V1
Arduino Compatible Board
Geiger Tube is included !
Could be connected to PC directly to do realtime moniting.
we also provide free matlab source code to do moniting and analysis.

Testing Video:
youtu.be/V-yCGMnZSoU

Piking list:
1 x Assembled Radiation Detector system
1 x GM Tube(M4011), already assembled on PCB board.
1 x Power supply cable
1 x Materials are sent through email address.
1 x Battery Holder (without batteries)
3 x Jumper Wires

Technical specifications:
Geiger Tube PCB Compatibility: M4011, STS-5, SBM-20, J305
Geiger Tube Voltage Compatibility: All General GM Tubes with anode voltage 350-480V
Sound and Visual Indication
Arduino Compatible
Supply Voltage: 5V; 3x 1.5V Battery; 4x 1.2V Battery
Include high impedance voltage divider
Supply Current: 12mA – 30mA
Dimensions: 120 x 50 mm
Shipping Weight: 150gr

Arduino MCU Communication:
The PCB has 3 pins for communication with MCU: INT, GND, 5V. You can power up the kit from 5V Arduino board directly. Or,
if you use batteries for Geiger Kit, you have to connect only 2 pins to Arduino: INT and GND.
There is many different application you can use this kit, especially if you are software developer. The board send 500 uS

9. TEDCO 4D Orca Kids Educational Science Activity Kit

TEDCO 4D Orca Kids Educational Science Activity Kit

Feature

Description

Build your own anatomy model of the orca whale. This exceptionally detailed, 6.5″ model contains 16 detachable, hand-painted organs and parts and a display stand. Also includes illustrated assembly guide, description of the anatomy, a detailed description of an orca’s life cycle, eating habits and size along with some fun Q&A to test your knowledge. A nice addition to curriculum for teaching marine science or any child’s science fair project related to marine science. Collect the series and have your own marine science museum. Ages 8 plus.

10. HOMEDAI Solar Crookes Radiometer Light Mill, Sun Light Energy Spinning Vanes Decoration Scientific Gift

HOMEDAI Solar Crookes Radiometer Light Mill, Sun Light Energy Spinning Vanes Decoration Scientific Gift

Feature

Description

A
The total height is 130mm, the diameter of the sphere is 75mm, and the diameter of the base is 65mm.

B
The height is 205mm, the diameter of the sphere is 90mm, and the diameter of the base is 80mm.

Magnificent Glass Radiometer, makes a great gift for the one who have everything.
All made of glass. Globe is 4 inch in diameter and stands 9 inch tall.
This physical and technical miracle 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
Simply open the radiometer in the sun and the blinds will remain rotated.

Conclusion

By our suggestions above, we hope that you can found Vacuum Radiometer for you.Please don’t forget to share your experience by comment in this post. Thank you!

Home Preview
Logo
Enable registration in settings - general