Dan Burns
@the-physics-well.net
Physics Educator, Space Enthusiast, Astrophotographer
https://the-physics-well.net/
https://the-physics-well.net/
Understand. I think once you are doing 2D momentum they have seen that you have to take the mass into account. It would be nice if you could add mass to the hover pucks but they barely levitate themselves as it is. I wonder if you could reduce their mass by removing bits of plastic and foam.
November 20, 2025 at 1:13 AM
Understand. I think once you are doing 2D momentum they have seen that you have to take the mass into account. It would be nice if you could add mass to the hover pucks but they barely levitate themselves as it is. I wonder if you could reduce their mass by removing bits of plastic and foam.
At my 39 N latitude, green is usually seen as a low glowing fringe in the distance. On 11/11 it was more dynamic as this time-lapse video using 4s exposures shows. I think it is a strong substorm that must have been amazing for those to my north. It is reflected in the lake. #astrophotography
November 17, 2025 at 5:31 PM
At my 39 N latitude, green is usually seen as a low glowing fringe in the distance. On 11/11 it was more dynamic as this time-lapse video using 4s exposures shows. I think it is a strong substorm that must have been amazing for those to my north. It is reflected in the lake. #astrophotography
I wrote this Smart Cart sense and control activity: www.pasco.com/resources/la... My favorite was a Red Light/Green Light program. It was a little over the top because I had access to all the PASCO equipment. It has a Smart Cart with a motor, light sensor, and wireless light source. #ITeachPhysics
November 13, 2025 at 5:29 PM
I wrote this Smart Cart sense and control activity: www.pasco.com/resources/la... My favorite was a Red Light/Green Light program. It was a little over the top because I had access to all the PASCO equipment. It has a Smart Cart with a motor, light sensor, and wireless light source. #ITeachPhysics
I was able to upgrade my room for an extra 3$/night for a High Roller view room. I took this time-lapse from our room at the Westin 8 years ago. It takes 30 min to rotate in real time. With a diameter of 158 m, what is the centripetal acceleration of a passenger? #ITeachPhysics
November 13, 2025 at 3:11 PM
I was able to upgrade my room for an extra 3$/night for a High Roller view room. I took this time-lapse from our room at the Westin 8 years ago. It takes 30 min to rotate in real time. With a diameter of 158 m, what is the centripetal acceleration of a passenger? #ITeachPhysics
There was another outburst after the moon rose after midnight. I didn't see this one, but my camera did! 98x time-lapse, Sony Alpha 7 III, FE 14 mm f/1.8 lens, ISO 1250, 4s exposures. #astrophotography
November 12, 2025 at 7:08 PM
There was another outburst after the moon rose after midnight. I didn't see this one, but my camera did! 98x time-lapse, Sony Alpha 7 III, FE 14 mm f/1.8 lens, ISO 1250, 4s exposures. #astrophotography
I was not paying much attention to the aurora alerts as it was supposed to be cloudy last night. I set up my camera after noticing the clouds were glowing red at 6:30 PM. They move out like a curtain rising just before the show starts! 98x time-lapse staring at 6:45 PM. #astrophotography
November 12, 2025 at 5:57 PM
I was not paying much attention to the aurora alerts as it was supposed to be cloudy last night. I set up my camera after noticing the clouds were glowing red at 6:30 PM. They move out like a curtain rising just before the show starts! 98x time-lapse staring at 6:45 PM. #astrophotography
Still processing my images of last night's aurora. This 98x time- lapse captures the major outburst in NorCal between 8:30 and 9:00. Sony Alpha 7 III, FE 14 mm f/1.8 lens, ISO 1250, 4s exposures. I have used these settings for bright aurora but never had the sensor saturate before! #astrophotography
November 12, 2025 at 5:01 PM
Still processing my images of last night's aurora. This 98x time- lapse captures the major outburst in NorCal between 8:30 and 9:00. Sony Alpha 7 III, FE 14 mm f/1.8 lens, ISO 1250, 4s exposures. I have used these settings for bright aurora but never had the sensor saturate before! #astrophotography
@ajamesmccarthy.bsky.social has done it again! Check out the amazing image here: cosmicbackground.io/pages/ea_the... #astrophotography
November 12, 2025 at 3:58 PM
@ajamesmccarthy.bsky.social has done it again! Check out the amazing image here: cosmicbackground.io/pages/ea_the... #astrophotography