Day: December 15, 2025

• Astronomy
• Hackaday
• NASA
• Space

via Hackaday: NASA May Have Lost the MAVEN Mars Orbiter

When the orbit of NASA’s Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft took it behind the Red Planet on December...

• General
• Hackaday
• Offbeat

via Hackaday: Testing Whether Fast Charging Kills Smartphone Batteries, and Other Myths

Calendar aging of NMC Li-ion cells at 50 ℃ at various SoCs. (Credit: Wiljan Vermeer, IEEE, 2021) With batteries being...

• Education
• General
• News

via the ARRL: ARRL to Host 2026 HamSCI Workshop at Central Connecticut State University

ARRL The National Association for Amateur Radio® will host the 9th Annual HamSCI Workshop, March 14–15, 2026, at Central Connecticut...

• Education
• General
• News
• Newsreel

via the ARRL: Help Someone Get Their FIRST Ham Radio License by the End of 2025

Know someone who’s been curious about amateur radio but hasn’t taken the leap yet? ARRL The National Association for Amateur...

• International
• News
• RSGB

Via the RSGB: Two exciting opportunities to make an impact with the RSGB

Are you an experienced operations leader who is passionate about delivering exceptional membership services and driving commercial growth? Or are...

• International
• News
• RSGB
• Youth

Via the RSGB: Listen out for these YOTA Month operators

YOTA Month continues this weekend with special call sign GB25YOTA. Listen out for operators from the RSGB National Radio Centre...

• International
• News
• RAC

Via the RAC: RAC Advanced Course for Maple Leaf Operators: Winter 2026

Radio Amateurs of Canada is once again offering an online Advanced Qualification Amateur Radio Course so that individuals can upgrade their qualifications. The...