Top 5 Photo Accessories

Using Filters In Photography

Photographic filter is an attachment that will allow certain kinds of light to be able to pass through, and able to reduce or block out other unwanted light sources.In short, the term filter really means anything that modifies the incoming light in some way and includes: polarizing screens, multi-image prisms,close-up attachments, soft focus filters, neutral density (ND) filters, graduated ND filters, and color filters for black and white photography. Filters come in two main shapes: round and square.

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Printing your photos digitally

Digital printing has brought us different advantages in the modern technology. Even pictures can be printed right at your printer with the original colors. You can now look at your photos digitally and all you need is a computer to do it for you. Pictures taken can be scanned with the use of a scanner. Once the image is already saved as an image file in the computer, it is ready for printing.

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Directory


More Science from Scientific American

Science news and technology updates from Scientific American

Martians Get Their Water from the Poles

Fri, 20 Mar 2020 14:00:00 GMT

Originally published in July 1907

-- Read more on ScientificAmerican.com


Collision on One Side of Pluto Ripped Up Terrain on the Other, Study Suggests

Thu, 26 Mar 2020 10:45:00 GMT

A new computer model shows how a buried ocean on the dwarf planet might have enabled seismic waves to travel

-- Read more on ScientificAmerican.com


Sick Vampire Bats Restrict Grooming to Close Family

Thu, 26 Mar 2020 03:15:00 GMT

When vampire bats feel sick, they still engage in prosocial acts such as sharing food with nonrelatives. But they cut back on grooming anyone other than their closest kin.

-- Read more on ScientificAmerican.com


A Quest for the Genetic Fountain of Youth

Thu, 26 Mar 2020 11:00:00 GMT

The study of long-lived mammals can help scientists understand why humans age

-- Read more on ScientificAmerican.com


Honking Cars Are the Best Warning for Air Raids

Thu, 26 Mar 2020 16:00:00 GMT

Originally published in June 1918

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Firefighter Suit Draws Breathable Air from the Floor

Fri, 27 Mar 2020 14:30:00 GMT

Originally published in July 1857

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COVID-19: How and Why the Virus Spreads Quickly

Mon, 23 Mar 2020 23:30:00 GMT

Scientific American contributing editor W. Wayt Gibbs reports from the original U.S. epicenter of the coronavirus outbreak: Kirkland, Wash. In this installment of our ongoing series, he talks with...

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Will String Theory Finally Be Put to the Experimental Test?

Wed, 25 Mar 2020 10:45:00 GMT

Physicists have found a way the theory might limit the cosmic inflation that is thought to have expanded the early universe

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Exponential Infection Increases Are Deadly Serious

Wed, 25 Mar 2020 03:15:00 GMT

Listen in as I use two calculators to track the difference in numbers of infections over a short period of time, depending on how many people each infected individual infects on average.

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Medical Students Must Learn How Social Factors Affect Health

Thu, 26 Mar 2020 14:00:00 GMT

Part of a physician’s job should be to address not just illness but also its root causes

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Help Researchers Track COVID-19

Thu, 26 Mar 2020 23:04:00 GMT

By entering your health status, even if you’re feeling fine, at the Web site COVID Near You, you can help researchers develop a nationwide look at where hotspots of coronavirus are...

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Can Science Explain Deja Vu?

Mon, 23 Mar 2020 15:00:00 GMT

Most of us have experienced deja vu—that sensation when new events feel eerily familiar. Could this "glitch in the Matrix" be a brain short-circuit?

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Swamp Wallaby Reproduction Give Tribbles a Run

Sun, 22 Mar 2020 00:55:00 GMT

They’re not born pregnant like tribbles, but swamp wallabies routinely get pregnant while pregnant.

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Deaths of Young Children Are Decreasing Globally, But ...

Tue, 24 Mar 2020 13:00:00 GMT

Progress in improving mortality varies significantly within countries

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Milky Way Dark Matter Signals in Doubt after Controversial New Papers

Thu, 26 Mar 2020 18:00:00 GMT

New analyses question whether mysterious gamma-ray and x-ray light in the galaxy actually stems from an invisible mass

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COVID-19: Predicting the Path and Analyzing Immunity

Tue, 24 Mar 2020 20:10:00 GMT

Scientific American contributing editor W. Wayt Gibbs continues to report on the coronavirus outbreak from his home in Kirkland, Wash., site of the first U.S. cases. In this installment, he talks...

-- Read more on ScientificAmerican.com


Some Kinds of Doctors Get More Speeding Tickets Than Others

Tue, 24 Mar 2020 13:00:00 GMT

Make way for emergencies—but go safely

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How Disaster Aid Ravaged an Island People

Wed, 25 Mar 2020 13:00:00 GMT

The 2004 tsunami devastated the Nicobar Islanders, but what came next was arguably worse

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Genetically Engineering the Perfect Bee--in 1892

Wed, 25 Mar 2020 14:15:00 GMT

Originally published in August 1892

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The Good News about Women and STEM

Sun, 22 Mar 2020 16:00:00 GMT

Programs aimed at making workplaces more inclusive are showing signs of success

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Urban Riots Are Actually "Prepolitical" Protests

Tue, 24 Mar 2020 14:00:00 GMT

Originally published in June 1968

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Recommended Books, March 2020

Sat, 21 Mar 2020 13:00:00 GMT

Saving the Florida panther, cornfield espionage and racial profiling, and more

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Scientists Trace Neutron Star Crash That Helped Form Our Solar System

Fri, 27 Mar 2020 18:00:00 GMT

The collision helped seed Earth with its precious metals

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Ensuring Measurement Devices Are Accurate Is Tedious but Crucial

Fri, 20 Mar 2020 13:00:00 GMT

Instrument calibration is essential for science—and justice

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Flat Earthers: What They Believe and Why

Fri, 27 Mar 2020 17:49:00 GMT

Michael Marshall, project director of the Good Thinking Society in the U.K., talks about flat earth belief and its relationship to conspiracy theories and other antiscience activities.

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