Physics
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TechSpace umbrellas to shield Earth
A swarm of small spacecraft could help protect Earth from the sun's rays.
By Emily Sohn -
TechA New Basketball Gets Slick
Sweat seems to make a new basketball for professional players more slippery.
By Emily Sohn -
TechSwitchable Lenses Improve Vision
Special lenses that automatically focus can help people wearing eyeglasses see more clearly.
By Emily Sohn -
PhysicsSnowflakes and avalanches
To protect people from avalanches, researchers are taking a close look at snowflakes and the snowpack.
By Emily Sohn -
PhysicsA butterfly’s electric glow
The brilliant color of some butterfly wings comes from tiny scales that absorb and give off light in a special way.
By Emily Sohn -
PhysicsEarth’s lowly rumble
From rumbling volcanoes to grumbling elephants, scientists are eavesdropping on the lowest sounds on Earth.
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PhysicsChallenging the forces of nature
Young scientists competed in several science challenges to understand and tame the forces of nature.
By Emily Sohn -
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PhysicsThinner air, less splatter
At low air pressure, a liquid drop that hits a surface makes no splash.
By Emily Sohn -
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PhysicsEinstein’s skateboard
Kids vying to be top young scientist of the year tackled challenges inspired by the work of Albert Einstein.
By Emily Sohn -
TechInspired by nature
Researchers are applying lessons learned from butterflies, beetles, mussels, and other creatures to problems of human survival.
By Emily Sohn