Breakthrough Starshot Aims Aims to Reach Alpha Centauri in 20 Years
Stephen Hawking and Yuri Milner want to send a nanocraft sails blown by light to Alpha Centauri. via KurzweilAI
The Alpha Centauri star system is 25 trillion miles (4.37 light years) away. With today’s fastest spacecraft, it would take about 30,000 years to get there. The program aims to establish whether a gram-scale nanocraft on a sail pushed by a light beam can fly more than 1,000 times faster.
Starchip: a gram-scale wafer carrying cameras, photon thrusters, power supply, navigation, and communication equipment, and constituting a fully functional space probe.
Lightsail: Advances in nanotechnology are producing increasingly thin and lightweight materials, promising to enable the fabrication of meter-scale sails no more than a few hundred atoms thick and at gram-scale mass.
Light Beamer. The rising power and falling cost of lasers has led to significant advances in light-beaming technology. Phased arrays of lasers (the “light beamer”) could potentially be scaled up to the 100 gigawatt level.
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, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, 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.
