0

How Old Spy Satellites Helped Scientists Peek In on Shrinking Himalayan Glaciers

Image

You know how the old sayin goes – reduce, reuse, recycle old spy satellites. Fun story from Atlas Obscura.

On multiple missions between 1971 and 1986, KH-9 HEXAGON satellites—also known as “Big Birds”—soared above China and Soviet terrain, imaging 877 million square miles of ground, according to the National Museum of the U.S. Air Force. The satellites were heftier than a school bus, Space.com reported; some weighed upwards of 30,000 pounds. Cameras were mounted so they could rotate as the satellite flew, and film was stored in four canisters that drifted back toward Earth via parachute and were intercepted by planes.

Read more.


Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.

Join 14,000+ makers on Adafruit’s Discord channels and be part of the community! http://adafru.it/discord

CircuitPython 2019!

Have an amazing project to share? The Electronics Show and Tell is every Wednesday at 7:30pm ET! To join, head over to YouTube and check out the show’s live chat – we’ll post the link there.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Follow Adafruit on Instagram for top secret new products, behinds the scenes and more https://www.instagram.com/adafruit/


Maker Business — Robotics manufacturer Anki is stripped for parts

Wearables — Form a flame

Electronics — Lead-free Soldering Temperature

Biohacking — Vitamin-C + Gelatin for Accelerated Recovery

Python for Microcontrollers — See you at Supercon, Python #2 language on GitHub and more! #Python #Adafruit #CircuitPython #PythonHardware @circuitpython @micropython @ThePSF @Adafruit

Adafruit IoT Monthly — Helping Harry's Heart, CircuitPython meets AWS IoT and more!

Microsoft MakeCode — Lenticular Art Display with Crickit

Get the only spam-free daily newsletter about wearables, running a "maker business", electronic tips and more! Subscribe at AdafruitDaily.com !



No Comments

No comments yet.

Sorry, the comment form is closed at this time.