Energy

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H X U T U T K A S R W K H X C C H Y S H G
D A D H V O E V A Q K N U Q L C Y N Y I T
B G J K J Q W K J A S Q O T E M J H T N N
A E F B Y G X F J M V V T F O I A S L I H
R S B H Y G U V E P C I W N K U S D X W Q
O N D N J S C E R W F W O P Y F C E T K K
T O L U M O U O T B R C A P E B Y Q Y J D
C I F K E N E R G Y E F F I C I E N C Y Y
A T E R L K Q Q C N L O T X S E G T R P L
E A O K C U H F E H U B W N I T C K L E H
R C N C R G A G X F C Q T G L C Y J X I Y
R I M H L B O G E F R O W H N L H J V V V
E F O E F R R C K M U F D L Y V O B A D N
D I X U D G P I E D M V M U T L S G P A C
E R T Y L G T M A U G Y G W K R I N B P D
E T H B E N E R G Y W A S T A G E T H D D
R I U G X O H Y W Q U A N F K R X A Y T B
B V U H P V L I D E L M W W W D Y S T V P
A B A W N H O W L V U M G P X H L C T F L
O H I B Q D W E O Q U N B X H Q K L N P M
B J O J T K K O M V I U Y H Q A X D P A W

Clues

  • a nuclear reactor that creates more fissile material than it consumes (7, 7)
  • activities that shouldn't be carried out although this is often a matter of opinion (6, 7)
  • proposal that hydrogen storage could be used to allow society to be run on abundant, convenient energy from renewables (8, 7)
  • the proportion of the energy being used that actually achieves the desired task. If energy is used efficiently then less is required. (6, 10)
  • the solid waste is dried and powdered and then mixed with molten glass and allowed to solidify in stainless steel containers, surrounded by concrete to absorb radiation. Used for high level waste (13)

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