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Radioisotope (also known as radisotope) These are radioactive isotopes, since they have an unstable atomic nucleus (due to the balance between neutrons and protons) and emit energy and particles when it changes to a more stable form. The energy liberated in the form change can be measured with a Geiger counter or with photographic film.
Pu-238 fuels the radioisotope thermoelectric generators (RTGs) that are used in interplanetary research missions. RTGs are lightweight, compact and extraordinarily reliable spacecraft power systems. They provide electrical power using heat from the natural radioactive decay of plutonium-238 in the form of plutonium dioxide.
Son isótopos radiactivos ya que tienen un núcleo atómico inestable (por el balance entre neutrones y protones) y emiten energía y partículas cuando cambia de esta forma a una más estable. La energía liberada al cambiar de forma puede detectarse con un contador Geiger o con una película fotográfica. Cada radioisótopo tiene un periodo ...
This new power system is known as Multi-Mission Radioisotope Thermoelectric Generator (MMRTG). Multi-Mission Radioisotope Thermoelectric Generator (Photo: DOE) The MMRTG in Perseverance works essentially like a nuclear batery : it converts heat from the natural radioactive decay of plutonium-238 into a steady flow of electricity.
Nuclear forensics determine the characteristics of the nuclear and radioactive material related to the scene of a crime by analyzing its isotopic and chemical characteristics. Combining these analyses with the traditional forensic evidence (DNA, hair, fingerprints, marks from tools, explosive waste, etcetera) nuclear forensics can detect ...
Radiation has bactericidal properties: it kills germs that cause disease and neutralizes other harmful organisms. This makes it a very useful application to sterilize materials. Sterilization with ionizing radiation, or radiosterilization, efficiently deactivates harmful microorganisms and has many applications. It is much more effective and versatile than sterilization through heat and ...
Excluding X-ray facilities, in Spain there are around 1,300 authorized radioactive sites, which generate approximately 30 m 3 of radioactive waste and around 300 radioactive sources each year. The transportation of radioactive waste along national and international routes, which is essential for managing nuclear material, is regulated by strict ...
Up until now, the main source of energy for U.S. space missions were Radioisotope Thermoelectric Generators (RTG). RTGs, which use mainly plutonium-238 and, to a lesser degree, americium-241, are safe and reliable, do not require maintenance and can provide heat for decades under very hard conditions, especially in situations where solar energy ...
During the webinar, the experts made special emphasis on Radioisotope Thermoelectric Generators (RTGs), which have powered the Voyager spacecraft for decades far away from the Sun thanks to their potential to provide heat and electricity to onboard spaceship systems for long periods of time in the cold temperatures of space.
News. The X-ray "flashlight" which would use an energy source based on nuclear chargeable ceramic technology to map the lunar surface has been selected for early-stage funding in the NASA Innovative Advanced Concepts (NIAC) programme. The 'flashlight' could be mounted on a rover to study the lunar surface (Image: Chris Morrison)