Galileo Thermometer - 28cm Product Type_Arts & Crafts creating the delightful illusion of

creating the delightful illusion of a magpie in mid-flight

and the incredible ways they sense their prey

remaining balanced in any position

capturing the intricate details of this delightful creature

Plössl and Super-Plössl Eyepieces

Galileo Thermometer - 28cm Product Type_Arts & Crafts creating the delightful illusion ofThe Galileo Thermometer is an elegant temperature reading device that every science geek needs. It is a sealed glass cylinder that contains clear liquid and glass bulbs that are all different density. As the temperature changes, the balls rise and fall, giving you a temperature reading. The temperature gauge is read from the engraved metal discs that hang off each bulb if a bulb is floating in the middle, that is the current temperature, or if some