A thermos bottle minimizes heat transfer by radiation.
Blog
Ultrasound frequencies are below 20 kHz and can be heard by…
Ultrasound frequencies are below 20 kHz and can be heard by humans.
All elements have a stable isotope
All elements have a stable isotope
Magnetic fields can exert forces on moving charges.
Magnetic fields can exert forces on moving charges.
A hypothesis is a proven scientific fact.
A hypothesis is a proven scientific fact.
Sweating cools the body primarily through radiation.
Sweating cools the body primarily through radiation.
Weight is a measure of the amount of matter in an object.
Weight is a measure of the amount of matter in an object.
Density is calculated as mass divided by volume.
Density is calculated as mass divided by volume.
Time flows in both forward and backward directions.
Time flows in both forward and backward directions.
Instruments are used to extend our ability to measure and le…
Instruments are used to extend our ability to measure and learn about our environment.