Is ECG analog or digital? The innovators at the NASA Johnson Space Center have developed a new method and device for specialized digital to analog conversion (DAC) and reconstruction of multichannel electrocardiograms (ECGs), including 12-lead ECGs. What is the bandwidth of a normal ECG signal? The useful bandwidth of an ECG signal, depending on the […]
How much energy does it take to heat 1 gram of a substance 1 degree C?
What do you call the motion of the earth that is responsible for diurnal motion?
What do you call the motion of the earth that is responsible for diurnal motion? Diurnal Circle What is the oldest heavenly body that has been observed and has preceded great events in history? Halley’s Comet Which model of the universe is said to be earth centered? Geocentric model, any theory of the structure of […]
What are symptoms of optic nerve damage?
What are symptoms of optic nerve damage? Optic nerve damage can cause symptoms that affect the eyes and your vision, which may occur in one or both eyes including: Abnormal pupil size and nonreactivity to light. Bulging of the eyes. Complete or partial loss of vision. Diminished ability to see fine details. Diminished color vision […]
What does ATP produce when broken down?
What does ATP produce when broken down? The by-products of the breakdown of ATP are adenosine diphosphate (ADP), which is the remaining adenosine and two (di) phosphate groups, and one single phosphate (Pi) that is ‘on its own’. How can I increase ATP naturally? Boost your ATP with fatty acids and protein from lean meats […]
What describes a concave lens?
What are the risks of using iodine-131?
What are the risks of using iodine-131? I-131 collects in the thyroid gland. People exposed to I-131, especially during childhood, may have an increased risk of thyroid disease, including thyroid cancer. Thyroid cancer is uncommon and is usually curable. Typically, it is a slow-growing cancer that is highly treatable. What percentage of an original sample […]
How long does it take for carbon 14 to fully decay?
How long does it take for carbon 14 to fully decay? 5,730 years Will all of Carbon 14 eventually disappear? The half-life of carbon-14 is the amount of time it takes for one-half of the original amount to disappear by radioactive decay. After 50,000 years, a fossil won’t have any radiocarbon left in it. Carbon-14 […]
What holds a nucleus together?
What holds a nucleus together? The strong nuclear force. At extremely short range, it is stronger than electrostatic repulsion, and allows protons to stick together in a nucleus even though their charges repel each other. Remember that the size of the nucleus is really small compared to the size of an atom. What makes a […]