Watch CBS News

Hey Ray: Erasable pens and reappearing images

"Temperature sensitivity" means that the ink's behavior is dependent on the temperature; KDKA Meteorologist Ray Petelin and Elizabeth Petelin explain.

Sep 17, 2022 (02:44)

One person killed in single vehicle crash in Ross Township

One person killed in single vehicle crash in Ross Township

KDKA-TV Morning Forecast (10/17)

KDKA-TV Morning Forecast (10/17)

High school football highlights for October 16, 2026

High school football highlights for October 16, 2026

Pumpkin production down again at Yarnick's Farm

Pumpkin production down again at Yarnick's Farm

KDKA-TV Nightly Forecast (10/16)

KDKA-TV Nightly Forecast (10/16)

Sean "Diddy" Combs moved to new prison in Pennsylvania

Sean "Diddy" Combs moved to new prison in Pennsylvania

Pet oxygen masks donated to firefighters after recent fire

Pet oxygen masks donated to firefighters after recent fire

Griffin Mission One moon lander prepares for trip to the moon

Griffin Mission One moon lander prepares for trip to the moon

KDKA-TV Evening Forecast (10/16)

KDKA-TV Evening Forecast (10/16)

Police officer honored at law enforcement luncheon

Police officer honored at law enforcement luncheon

Sen. Warren calls for scrutiny of Giant Eagle-Kroger merger from FTC and DOJ

Sen. Warren calls for scrutiny of Giant Eagle-Kroger merger from FTC and DOJ

Former New Kensington police officer charged with official oppression and tampering

Former New Kensington police officer charged with official oppression and tampering

West Mifflin Area School District looks to reorganize buildings

West Mifflin Area School District looks to reorganize buildings

Pennsylvania new vape law goes into effect Monday

Pennsylvania new vape law goes into effect Monday

Pennsylvania attorney general "happy" with agreement for guilty plea in pet cremations case

Pennsylvania attorney general "happy" with agreement for guilty plea in pet cremations case

Pennsylvania attorney general "happy" with agreement for guilty plea in pet cremations case

Pennsylvania attorney general "happy" with agreement for guilty plea in pet cremations case

Joe Manganiello talks about "lifesaving surgery" and 7-year health journey

Joe Manganiello talks about "lifesaving surgery" and 7-year health journey

WVU Medicine | expanding advanced and specialty healthcare options in Western PA

WVU Medicine | expanding advanced and specialty healthcare options in Western PA

PTL Pizza Fridays: Common Oven Pizza Co.

PTL Pizza Fridays: Common Oven Pizza Co.

PTL LIVE at the Circus!

PTL LIVE at the Circus!

PTL sits down with Joe Manganiello to talk his new book: "Bloodlines"

PTL sits down with Joe Manganiello to talk his new book: "Bloodlines"

Who you gonna call? Canonsburg is calling the Ghosbusters!

Who you gonna call? Canonsburg is calling the Ghosbusters!

Author V. L. Bovalino back home in Pittsburgh for event

Author V. L. Bovalino back home in Pittsburgh for event

Ringling Bros. and Barnum & Bailey coming to Pittsburgh

Ringling Bros. and Barnum & Bailey coming to Pittsburgh

CBS News 24/7

CBS News 24/7

CBS Saturday Morning

CBS News Baltimore

CBS News Baltimore

Latest Baltimore News & Headlines

CBS News Bay Area

CBS News Bay Area

Latest NorCal News & Headlines

CBS News Boston

CBS News Boston

Latest Boston News & Headlines

CBS News Chicago

CBS News Chicago

Latest Chicago News & Headlines

CBS News Colorado

CBS News Colorado

Latest Colorado News & Headlines

CBS News Detroit

CBS News Detroit

Latest Detroit News & Headlines

CBS News Los Angeles

CBS News Los Angeles

CBS News Los Angeles Weekend 8am

CBS News Miami

CBS News Miami

CBS News Miami This Morning 10am

CBS News Minnesota

CBS News Minnesota

Latest Minnesota News & Headlines

CBS News New York

CBS News New York

CBS News New York Saturday 11am

CBS News Philadelphia

CBS News Philadelphia

CBS News Philadelphia Weekend Morning

CBS News Pittsburgh

CBS News Pittsburgh

Hometown High Q Classics

CBS News Sacramento

CBS News Sacramento

Good Day Sacramento

CBS News Texas

CBS News Texas

CBS News Texas 9am