Make HowStuffWorks your homepage
-
Exploring Sound: Loudness
- Loudness is measured in decibels (as shown in a table). Loud sound can cause hearing loss. People working around loud sounds usually wear protective ear gear.
- Sort by:
- Company
- |
- Title
- |
- Most Watched
- |
- Date
-
-
-
-
Build It Bigger: Kinetic Madness
(1:57)
Roller coasters use physics to create breathtaking and terrifying thrills in amusement parks across the world. Watch a video from the Discovery Channel.
-
-
-
-
How Dry Cleaning Works
(1:32)
Dry cleaning is an amazing technology, but do you know what actually happens behind the counter? Find out how dry cleaning works in this HowStuffWorks Video.
-
-
-
-
Invention Nation: Solar Panels
(1:22)
Take a closer look at the technology used to build solar panels. Learn more about solar cells in this video.
-
-
-
-
How Fireworks Work
(1:18)
Fireworks have a special and beautiful magic all their own. Watch this HowStuffWorks video to learn how they make such incredible colors and designs.
-
-
-
-
The Surprise
(7:15)
Archaeologists find an ancient mummified mother and child. Learn more about the cause of death of the mummies.
-
-
-
-
Measuring Bones 3
(1:54)
From the archives of Discovery: Forensic researchers use a variety of methods to analyze and measure fragments of bone. Learn more about forensics and bone analysis.
-
-
-
-
Bone Analysis
(2:02)
From the archives of Discovery: Forensic researchers use a variety of methods to analyze and measure fragments of bone. Learn more about forensics and bone analysis.
-
-
-
-
Forensic Research with a Green Light
(1:28)
From the archives of Discovery: Forensic investigators routinely use high-powered lights to scrutinize a piece of evidence. Learn more about forensic research.
-
