MS-PS4-3

Integrate qualitative scientific and technical information to support the claim that digitized signals (sent as wave pulses) are a more reliable way to encode and transmit information.

  1. Space

    Wild art? No, it’s a radio image of the heart of our Milky Way

    Eyelash-like radio filaments accent the brightest feature in this image — a supermassive black hole.

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  2. Space

    The long-awaited James Webb Space Telescope has a big to-do list

    The James Webb Space Telescope has been in the works for so long that new fields of science have emerged for it to study.

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  3. Tech

    A sense of touch could upgrade virtual reality, prosthetics and more

    Scientists and engineers are trying to add touch to online shopping, virtual doctor appointments and artificial limbs.

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  4. Tech

    Let’s learn about artificial intelligence

    Computers are getting smarter all the time. At some tasks, they can even outsmart people.

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  5. Tech

    Headphones or earmuffs could replace needles in some disease testing

    A new system that uses earmuffs to collect gases coming out the skin could help doctors diagnose a variety of diseases, scientists say.

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  6. Physics

    Nuclear clocks are nearly here

    More precise clocks could improve technologies such as GPS and help scientists test major ideas in science.

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  7. Materials Science

    New device gets power from 5G signals grabbed from the air

    A new way to harvest electricity relies on a tiny array of antennas and a lens. Together, they collect and focus 5G signals coming from any direction.

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  8. Space

    Ingenuity helicopter makes history by flying on Mars

    The copter's 40-second-long flight in the Red Planet’s thin air is only the first in a planned series of daring flights.

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  9. Tech

    5G promises new energy savings for digital tech

    A new way to transmit wireless communications promises time and energy savings by using networks of smaller cells.

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  10. Science & Society

    Machine learning includes deep learning and neural nets

    By combining patterns found in mountains of data with information gleaned from mistakes, these computer programs expand their artificial intelligence.

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  11. Science & Society

    New technology can get inside your head. Are you ready?

    New technologies aim to listen to — and maybe even change — your brain activity. But just because scientists can do this, should they?

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  12. Earth

    Space station sensors saw how weird ‘blue jet’ lightning forms

    A mysterious type of lightning in the upper atmosphere has been traced to a brief, bright flash of light at the top of a storm cloud.

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