Search Results | laser
Your search for "laser" returned 128 results
Could I see a flashlight beam from Earth on the moon?
science.howstuffworks.com/question441.htm
If I was on the moon and the earth was black (no lights were on) and a flashlight was turned on facing the moon, would I see the light? If I couldn't, would there be any way to detect any residual matter that came from the light on Earth or does light die after a certain distance?
How Apache Helicopters Work
science.howstuffworks.com/apache-helicopter.htm
Apache helicopters are designed to survive heavy attack and inflict massive damage. Learn about the flight, weapons and armor systems of Apache helicopters.
How LED Incapacitators Work
science.howstuffworks.com/led-incapacitator.htm
LED incapacitators are non-lethal devices used by law enforcement officials. Learn about LED incapacitators.
Aliens? Lasers? Water? What Caused the Al Naslaa Rock to Split So Precisely?
science.howstuffworks.com/environmental/earth/geology/al-naslaa-rock.htm
Split as if by a laser, the Al Naslaa rock in Saudi Arabia's Tayma Oasis baffles scientists and amateur geologists alike. How did this perfect split happen?
How Teleportation Will Work
science.howstuffworks.com/science-vs-myth/everyday-myths/teleportation.htm
Looking forward to instantaneous travel? The Star Trek teleporter is one step closer to reality. Scientists have now teleported a laser beam. Could humans be next?
How the Star Wars Program Didn't Work
science.howstuffworks.com/star-wars-program.htm
Back in 1983 when the Cold War was in full swing, the U.S. was looking for an effective new tactic to deter a nuclear strike. The "Star Wars" missile defensive initiative, however, wasn't it. Why not?
How do one-way mirrors work?
science.howstuffworks.com/question421.htm
One-way mirrors are commonly used in police interrogation rooms, but how do they work? Learn about one-way mirrors and how one-way mirrors work.
How Light Works
science.howstuffworks.com/light.htm
Some of the brightest minds in history have focused their intellects on the subject of light. Einstein even tried to imagine riding on a beam of light. We won't get that crazy, but we will shine a light on everything scientists have found so far.
How Do Scientists Determine the Age of Dinosaur Bones?
science.howstuffworks.com/environmental/earth/geology/dinosaur-bone-age.htm
Every time a new fossil is found, one of the first things scientists determine is how old that fossil really is. But how do they determine it, and how can they be completely accurate?
How Nuclear Fusion Reactors Work
science.howstuffworks.com/fusion-reactor.htm
Fusion reactors will use abundant sources of fuel, will not leak radiation above normal background levels, and will produce less radioactive waste than current fission reactors. Learn about this promising power source.