What are some problems associated with the use of nuclear fission to supply energy needs?

Answer 1

It is is hard to split a nucleas

Answer 2

Dealing with spent fuel from nuclear reactors presents a number of engineering challenges. Let's look at them. The spent fuel still has a good deal of unburned fissionable material within it. If an unfriendly group was to secure a spent fuel bundle, they may be able to recover enough fissionable material to construct a nuclear weapon. And as spent fuel is extremely "dirty" in the radiological sense, the group could very well make a huge radioactive mess by opening up the fuel elements. As stated above, the fuel is sealed within fuel elements with a great deal of highly radioactive residue. The radiation levels associated with this large group of radionuclides are very high, and the half lives of many of the isotopes of the radioactive elements is very long - thousands to tens of thousands of years. Spent fuel generates a lot of heat, even after its been allowed to cool for weeks after shutdown. When it is removed, it needs to be sunk in a holding pool to keep it cool. Only after a long period of months is it cool enough to be removed to a casket for transport to a permanent storage facility. Caskets for transport must be specially engineered to withstand accidents on roadways or railways. The last thing we need is a broken fuel bundle anywhere. Transportation logistics must be tightly controlled for security reasons. Long term storage facilities must be set up to provide a stable and secure environment for thousands if not tens of thousands of years. The stuff inside the fuel rods is incredibly radioactive. It is not cost effective to try to cut it open and reprocess it. The radiation hazards and the risks far outweigh the benefits of cutting open spent fuel elements. Our friends at Wikipedia have an article on spent fuel. It isn't out of reach for a non-technical person.

Answer 3

A potential danger always exists within the reactor site itself. Although the ideal theoretical reactor appears relatively simple, in reality a reactor requires state-of-the-art engineering technology. Numerous back-up systems are designed for safety. The chain reaction must be completely controlled at all times. Critical mass cannot be exceeded and this requires the fine coordination of complex equipment. Experience has shown us that all equipment, no matter how well designed, is subject to human error and material failure. Radiation leaks could cause death and destruction to all nearby life. Heat produced is always a polluting ingredient. Before making any final judgments of the value of nuclear energy, let's investigate some aspects of these problems.

Answer 4

Nuclear energy has many pros and cons about it. The energy is generated by heating a radioactive element to the point where it releases steam. This steam is then used to move huge fans attached to machines that generate energy. (Sort of like a windmill farm) The good news is that nuclear energy is very clean to use as a natural energy source. The bad news is that if the pumps and machines used to keep it safely contained fail, then too much radiation will be released into the air causing health problems, and a nuclear meltdown.

Answer 5

IF IT IS FOR THE CROSSWORD:

it starts with 'd' and it maybe drainage

Answer 6

Nuclear power produces nuclear waste, which can be dangerous. Nuclear power can also be used to produce material for nuclear weapons.

Answer 7

nuclear waste will cause radation and takes a long time to become safe

Answer 8

It is difficult to dispose of wastes

Answer 9

fuel