A more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted by the electronics in a computer's display unit.

answer; (d) i believe the best answer is ; ///people said that man could not fly, but in 1903, orville and wilbur wright made the first sustained powered flight in a heavier- than-air machine;

can you finish the question hun

can you elaborate on what the question asks?

what excerpt? i would generally think a.