Treating peanut allergy bit by bit
Hungry bug seeks hot meal
Watching out for vultures
Tree Frogs
Poison Dart Frogs
Sea Giants and Island Pygmies
Roboroach and Company
Big Squid
Puberty gone wild
Meet your mysterious relative
How Much Babies Know
Blue Jays
Chemistry and Materials
Toxic Dirt + Avian Flu = Science Fair Success
Fog Buster
Nanomagnets Corral Oil
Galaxies far, far, far away
Batteries built by Viruses
The Earth-bound asteroid scientists saw coming
Dinosaurs and Fossils
Middle school science adventures
Digging for Ancient DNA
Downsized Dinosaurs
E Learning Jamaica
E Learning in Jamaica WIN PRIZES and try our Fun Animated Games
Results of GSAT are in schools this week
2014 GSAT Results for Jamaican Kids
Detecting an Eerie Sea Glow
Plastic-munching microbes
Greener Diet
Eating Up Foul Sewage Smells
An Ocean View's Downside
Toxic Cleanups Get a Microbe Boost
Finding the Past
A Big Discovery about Little People
Little People Cause Big Surprise
Ancient Cave Behavior
Angler Fish
Food and Nutrition
A Pepper Part that Burns Fat
Recipe for Health
Eat Out, Eat Smart
GSAT English Rules
Problems with Prepositions
Adjectives and Adverbs
Who vs. Whom
GSAT Exam Preparation Jamaica
March 21-22, 2013: Over 43,000 students will take the GSAT Exam
10 Common Mistakes When Preparing for the GSAT Math Test
GSAT Practice Papers | GSAT Mathematics | Maths
GSAT Exams Jamaica Scholarships
GSAT Practice Papers | GSAT Mathematics | Maths
Access denied - Disabled boy aces GSAT
GSAT Scholarship
GSAT Mathematics
GSAT Mathematics Quiz, Teaching Math, teaching anxiety
Math and our number sense:
Detecting True Art
Human Body
Don't Eat That Sandwich!
Electricity's Spark of Life
Smiles Turn Away Colds
Great Danes
Domestic Shorthairs
The Surprising Meaning and Benefits of Nursery Rhymes
Children and Media
Expert report highlights the importance to parents of reading to children!
One ring around them all
The Pressure of Scuba Diving
Echoes of a Stretched Egg
The algae invasion
Getting the dirt on carbon
Tracking the Sun Improves Plant Pollen
Box Turtles
Snapping Turtles
Space and Astronomy
Unveiling Titan
Sounds of Titan
Planning for Mars
Technology and Engineering
Space Umbrellas to Shield Earth
Toy Challenge
A Micro-Dose of Your Own Medicine
The Parts of Speech
What is a Verb?
Adjectives and Adverbs
Problems with Prepositions
Reach for the Sky
Middle school science adventures
Tinkering With the Basic Bike
Recipe for a Hurricane
Earth's Poles in Peril
Antarctica warms, which threatens penguins
Add your Article

Flying the Hyper Skies

A little airplane has given new meaning to the term "going hyper." The Hyper-X recently broke the record for air-breathing jet planes when it traveled at a hypersonic speed of seven times the speed of sound. That's about 5,000 miles per hour. At this speed, you'd get around the world—flying along the equator—in less than 5 hours. The Hyper-X is an unmanned, experimental aircraft just 12 feet long. It achieves hypersonic speed using a special sort of engine known as a scramjet. It may sound like something from a comic book, but engineers have been experimenting with scramjets since the 1960s. For an engine to burn fuel and produce energy, it needs oxygen. A jet engine, like those on passenger airplanes, gets oxygen from the air. A rocket engine typically goes faster but has to carry its own supply of oxygen. A scramjet engine goes as fast as a rocket, but it doesn't have to carry its own oxygen supply. A scramjet's special design allows it to extract oxygen from the air that flows through the engine. And it does so without letting the fast-moving air put out the combustion flames. However, a scramjet engine works properly only at speeds greater than five times the speed of sound. A booster rocket carried the Hyper-X to an altitude of about 100,000 feet for its test flight. The aircraft's record-beating flight lasted just 11 seconds. In the future, engineers predict, airplanes equipped with scramjet engines could transport cargo quickly and cheaply to the brink of space. Hypersonic airliners could carry passengers anywhere in the world in just a few hours. Out of the three experimental Hyper-X aircraft built for NASA, only one is now left. The agency has plans for another, 11-second hypersonic flight, this time at 10 times the speed of sound. Hang on tight!—S. McDonagh

Flying the Hyper Skies
Flying the Hyper Skies

Designed and Powered by™