The cadets were a good deal more dangerous with directed-energy weapons at their disposal.

If we do, all systems will be shut down by what I theorize is a directed-energy weapon.

Of course, the enemy's directed-energy weapons couldn't penetrate the planet's energy barrier.

For now, military experts generally appear to believe that directed-energy weapons are beyond the technical reach of terrorist groups.

Most of the details on directed-energy weapons are classified.

Military experts say the range of modern directed-energy weapons could generally be measured in thousands of feet.

They propose that the plane was shot down with a directed-energy weapon.

Research of this idea is still being done with directed-energy weapons.

A moment later, a bound Melacron was executed with a directed-energy weapon.

Tesla worked on plans for a directed-energy weapon from the early 1900s until his death.