Radio telescopes. Pulsars radiate most strongly in the radio spectrum so that is the best frequency range to observe them.
This instrument is a balance.
spoooooooooooooooooooooooooooooooon
An instrument that measures heat and cold is called a thermometer.
A calorimeter measures heat. In contrast, a thermometer measures temperature.A thermometer bolometer - an instrument that measures heat radiation; extremely sensitive calorimeter - a measuring instrument that determines quantities of heatHeat is measured with a ThermometerThermometerThermometer or calorimeterThermometerthermometerHeat is measured with a thermometer.
An anemometer is the instrument that measures wind direction using a wind vane.
A thermometer measures molecular energy.
a creep meter
A ruler
A sextant
a calorimiter
ruler
a cup!