Researchers track the signal of cosmic neutrinos emitted just 1 SECOND after the Big Bang #Science #BigBang
Via Forbes: The Big Bang and expansion of the Universe leads us to extrapolate back to the start of the universe – the Big Bang. And the soup of matter created in those first seconds.
If (the Big Bang) were true, there would be an early signal left over from when the Universe was just one second old: neutrinos and antineutrinos. Known as the cosmic neutrino background (CNB), it was theorized generations ago, but was dismissed as undetectable. Until now. A very clever team of scientists has just found a way to see it. The data is in, and the results are incontrovertible: the cosmic neutrino background is real, and agrees with the Big Bang.
Neutrinos are some of the most surprising and elusive particles in the Universe. They were predicted in 1930 to explain radioactive decays; their name means “tiny, neutral one” to explain the fact that they must carry energy and momentum, but cannot have charge and must be incredibly low in mass. It wasn’t until we developed nuclear reactors that we were able to first detect their presence, a feat that wasn’t accomplished until 1956.
Now that we’ve not only detected the Cosmic Neutrino Background, but confirmed its existence, it’s time to learn everything we can. It wasn’t clear, even with all the data we’ve collected so far, that we’d be able to identify this signal when put up against all the other sources of uncertainty (like nonlinear evolution), but the effect clearly shines through. Most importantly, it’s a spectacular confirmation of the Big Bang, which once again demonstrates that it’s the only viable game in town.
8-6-2021 (August 6, 2021) is the Snakiest day of the year and it’s also this year’s CircuitPython Day! The day highlights all things CircuitPython and Python on Hardware. See you there!
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.