none of your senses can detect radioactivity by themselves
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The sense of sight can detect some forms of radiation through special equipment like Geiger counters or dosimeters. However, our other senses cannot directly detect radiation as it is not something we can see, hear, smell, or taste.
We detect infrared radiation as heat. This form of radiation is emitted by objects due to their temperature, and our skin can sense it as warmth.
The two devices used to detect nuclear radiation are Geiger-Muller counters and scintillation detectors. Geiger-Muller counters measure ionizing radiation levels, while scintillation detectors use crystals to detect radiation and convert it into light pulses for measurement.
Infrared radiation is used by sensors to detect differences in temperature. Infrared sensors detect the thermal energy emitted by objects in the form of infrared radiation, which allows them to measure temperature variances without physical contact.
Henri Becquerel discovered radiation in 1896 while working with uranium salts. His serendipitous discovery of radioactivity paved the way for further research and development of methods to detect and measure radiation.
An infrared thermometer or infrared camera is commonly used to detect and measure infrared radiation. These devices can detect the infrared radiation emitted by objects and convert it into a temperature reading or an image based on the intensity of the radiation.