-
VIDEO
FEATURED VIDEOMORE VIDEO
-
SHOP
FROM THE STOREFEATURED PRODUCTS
Deadliest Catch Ultimate Fan Gift Set
$199.99
$39.99
$19.95
Flying Wild Alaska DVD and Shirt Set
$54.99
-
ADVENTURE
ADVENTURE
Does it save electricity to turn off the lights every time you leave a room? Or does the power needed turn them on again offset the savings? The MythBusters settle the score.
More Videos Online
More Videos Online
MythBusters: Lights On or Off MiniMyth
Does it save electricity to turn off the lights every time you leave a room? Or does the power needed turn them on again offset the savings? The MythBusters settle the score.
Added: Sep 17, 2010
Views: 28141 Views
Runtime: 01:59
Related Videos
-
Resolving the RicochetRelying on his intuition, Adam Savage performs several test-fires to find the optimal angle a person shooting out of a car should hold their gun in order for the bullet to ricochet into another car.MythBusters (02:46)
-
Riding the VortexEver wonder why birds fly in V-formation? Kari and Tory get the scientific scoop from Institute of Bird Populations biologist Peter Pyle.
MythBusters (01:07)
-
Flock Formation AftershowWas this myth TERRIFYING? Did Grant get sick? Why test the conga line formation? Will commercial planes ever fly in a V? Kari, Grant and Tory answer these questions and more.
MythBusters (05:13)
-
Wah Wah WaahhhhWatch to see how the Newton's Crane Cradle worked ... which by now you probably know is not well. Not well at all. So just watch to find out why it FAILED, then.
MythBusters (02:16)
-
Swinging for ScienceRather than go straight to full-scale with the wrecking-ball Newton's Cradle, Adam Savage first examines how energy transfer works in small-scale. (Turns out, it's way cool.)
MythBusters (02:01)
-
Slow StarterDo the new CFL bulbs take longer to turn on than standard incandescent bulbs? Tory, Kari and Grant put this eco-question to the test in this exclusive webisode.
MythBusters (03:03)
-
Tire Pressure TestYou asked the MythBusters to test whether over-inflated tires are really more fuel-efficient; see how they obliged.
MythBusters (01:35)
-
Let It Rip!Watch what happens when Adam Savage takes the remote-controlled, hood-mounted gun he built for Spy Car 2 for a test spin.
MythBusters (01:15)
-
Killer Surfboard Angle 4A car-roof-cam shows you what happens to a mounted surfboard when the car it's attached to crashes into another vehicle.
MythBusters (00:28)
-
Excrement MetricsAdam Savage and Jamie Hyneman present their three major properties of poop, including compressibility and stickiness.
MythBusters (01:05)
-
Flu Fiction MiniMythSee how far Adam Savage's pseudo snot traveled over a single hour, and be very afraid the next time you're around a sick person.
MythBusters (02:00)
-
House of Popcorn Reaction ShotThe MythBusters take on a scene from the '80s classic Real Genius: What happens when you fill a house with popcorn ... then make it all pop (with explosives, in this case)?
MythBusters (00:26)
You Might Also Like
-
Air Propelled SandwichEco-engineers Dick Strawbridge and Jem Stansfield travel to Bath, England to create an eco-friendly delivery vehicle for a sandwich shop owner. Will Dick and Jem's air-propelled motorbike pass government inspection?
Planet Mechanics (05:05)
-
Empire State RetrofitThe principal owner of the Empire State Building is investing 20 million dollars on the building's energy saving solutions. The cornerstone of this project is the addition of a layer of solar film to all 6,500 of the building's windows.
Powering The Future (01:48)
-
Dive to Survive Angle 5Get a close-up look at an explosion on the water as Adam and Jamie test the Dive to Survive myth.
Mythbusters (00:13)
-
Simultaneous Bullet ReleaseBehold the simultaneous release system Jamie Hyneman and Adam Savage constructed to test the bullet dropped vs. bullet fired myth.
Mythbusters (01:47)
-
Dropped vs Fired BulletWill two bullets, one dropped and one fired, from the same height reach their target at the same time? See how Adam Savage and Jamie Hyneman took on this double bullet doozy.
Mythbusters (01:39)
-
Ride Em MythBustersIn order to test the accuracy of shooting arrows from a galloping horse, Kari, Tory and Grant had first to learn to ride. See how THAT turned out.
Mythbusters (01:52)
-
Revolving Door GeneratorTwo engineers are working on a way to save all the lost energy wasted when people push though the thousands of revolving doors in New York City.
Invention Nation (03:14)
-
Banana-Peel Slip MiniMythAdam Savage and Jamie Hyneman put to the test the banana-peel slip-and-fall, that longstanding staple of slapstick.
Mythbusters (02:00)
-
Kari Announces Big NewsIn this unedited clip, Kari Byron, with help from her colleagues Grant Imahara and Tory Belleci, confirms the myth about Baby Byron.
Mythbusters (00:43)
-
Diet Coke and Mentos MiniMythThe MythBusters reveal the science behind the famously explosive cola-candy combo.
Mythbusters (01:58)
-
"The World's Going to Hell."Jamie Hyneman is the world's biggest fan of the world ... not.
Mythbusters (01:09)
-
Santa SmashKari shows off her snorting, growling, convulsing babies.
MythBusters Raw (01:21)
Advertisement
Mythbusters
Featured Playlist
The Aftershow
The MythBusters answer viewer questions and respond to criticism about past episodes. (07:21:00)
Shop Discovery Channel
-
our sites
-
video
mobile
-
shop
-
stay connected
-
corporate
