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Kids who love science and math will want to get their hands on these super-fun games. See 10 science toys kids will love at HowStuffWorks.

The high-up mesosphere is too thin for airplanes or balloons to support themselves. Light heats the underside of the mylar film and lifts the flier using recoil energy. Scientists from the University of Pennsylvania have made “microfliers” that could fly into near space on just the power of light. These tiny fliers may be the key to unlocking the mesosphere, the area 30 to 50 miles above Earth where the air is too thin to physically support hot air balloons or airplanes. The solar-powered ...

In a new study, scientists say they can explain dark matter by positing a particle that links to a fifth dimension. Here's what that means.

It's probably in this weird particle.

For the first time in decades, scientists have finally captured the elusive element Einsteinium, making enough of it to do experiments.

The secret is in tiny localized time variations, possibly caused by neutrinos. The theory is far out, but the findings will help other scientists. test a quantum theory that flips our understanding of time on its head. Physicist Joan Vaccaro first articulated the divisive "quantum theory of time"—that "dynamics may be a phenomenological consequence of a fundamental violation of time reversal symmetry," in her words—a few years ago. But now, researchers can use neutrinos and antineutrinos t...

Scientists from the Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM in Dresden made the sludgy gray paste, which heats hydrogen with magnesium and stabilizers so the hydrogen can be stored in cartridges even at room temperature. Thats it in the photo above. What results is a stable medium that its makers say is 10 times more energy-dense than lithium-ion batteries, “When it comes time to release the energy, a plunger mechanism extrudes the paste into a chamber w...

ELIJAH NOUVELAGEGetty Images What Is Liquid Nitrogen, and What Is It Used For? Nitrogen gas makes up roughly 78 percent of Earths atmosphere by volume, according to the Royal Society of Chemistry. The element, discovered in 1772 by Daniel Rutherford, is a critical building block of all life on Earth and plays a key role in plant growth. When cooled to -320 degrees Fahrenheit, the gas turns into an ultra-chilly liquid. Polish professors Zygmunt Wróblewski and Karol Olszewski became the first t...

NASA At the request of President Joe Biden, a moon rock is now on display in the Oval Office. Lunar sample 76015,143 is a remnant from a violent asteroid impact on the moon’s surface. Astronauts collected the sample during Apollo 17, the final mission to the moon. As President Joe Biden took the oath of office on the steps of the Capitol building on Wednesday, White House staffers busily prepared the Oval Office for his arrival. They added a bust of Caesar Chavez behind the resolute desk, s...