Sierra Space performed tow tests of its Dream Chaser spaceplane at the former shuttle runway at the Kennedy Space Center. Credit: Sierra Space WASHINGTON — Sierra Space has completed key testing ...

Schematic and operation of a capacitorless active-matrix micro-LED pixel, where a single memristor (1M) substitutes both the storage capacitor and the driving TFT. The compact 1M cell can be ...

Nine-member a cappella group Straight No Chaser has released Holiday Road, their first full-length holiday album in five years. After a sneak peek of the album with “Christmas is Different,” a ...

Let’s say you want to blink an LED. You might grab an Arduino and run the Blink sketch, or you might lace up a few components to a 555. But you needn’t go so fancy! [The Design Graveyard] explains how ...

The long-anticipated visit of the Dream Chaser spaceplane to the International Space Station (ISS) in 2026 has now been officially shelved. In a joint decision by NASA and Sierra Space, the spacecraft ...

Sierra Space and NASA have renegotiated their contract for the Dream Chaser spaceplane that will allow the spacecraft to make its first orbital flight next year as a free flier instead of visiting the ...

Sierra Space had been looking to join SpaceX and Northrop Grumman as one of three commercial resupply partners for NASA aiming to fly its Dream Chaser spacecraft to the International Space Station.

Sierra Space’s Dream Chaser will now conduct only a free flight demonstration mission under a NASA cargo contract. Credit: Sierra Space WASHINGTON — Sierra Space and NASA have sharply revised a ...

A Planet Analog article, “2N3904: Why use a 60-year-old transistor?” by Bill Schweber, inspired some interest in this old transistor and how it’s commonly used, and if any uncommon uses might exist.

The Dream Chaser is the result of a combined effort by NASA and the private company Sierra Space. The private plane is intended to be reusable, allowing for multiple flights to and from Earth and the ...