Predicted by Albert Einstein but yet to be observed. Not so easy to explain either. These waves can stretch you and the whole planet which sounds a bit scary but you won’t even notice. In fact, it’s just a few years since we have had the ability to build a detector sensitive enough to (possibly) find a wave. The detectors are called Laser Interferometers and there are four of them already:
It’s so difficult to detect a gravitational wave that scientist were fooled to believe they had found one in 2014. That discovery quickly fell apart. Therefore we can expect that next time it will be thoroughly scrutinized before announced. There are rumors that there has been a discovery by the LIGO team, we just have to wait until it is confirmed.
Nature: Gravitational waves discovery now officially dead
LIGO: What are Gravitational Waves?
Gizmodo: Why Gravitational Waves Would Be Such a Big Deal
Space.com: 5 Myths About Gravitational Waves | Infographic
Why not let Neil deGrasse Tyson at StartTalk explain:
Wikipedia: Gravitational Wave | Interferometry | LIGO
Where will we go this year? Both 2014 and 2015 were busy years for the space industry. This year will be adventurous too. I’m looking forward to missions like ExoMars, Juno arriving at Jupiter and the Osiris-Rex lifting off towards an asteroid. Check out Space.com, Wikipedia and Spaceflight Now.
Space.com: These are the Space Missions to watch in 2016
Spaceflight Now: Launch Schedule
SpaceX: Launch Manifest
JPL / NASA: Future Missions
ESA: Our Missions
Wikipedia: 2016 in Spaceflight | Spaceflight Portal | ExoMars | Juno | OSIRIS-REx | 101955 Bennu
Today Nexus-6 replicant Roy Batty was incepted at the Tyrell Corporation. This replicant will create havoc, better call a bladerunner right away!
Independent: It’s Roy Batty’s birthday
Wikipedia: Bladerunner | Roy Batty | Philip K. Dick | Ridley Scott
In the beginning everything was free. Well, at least on the internet. Today you can purchase movies, books and a lot more online. But a few things are still free. Old movies and books where copyright has expired or the creator just set it free.
Open Culture lists hundreds of free movies and ebooks. There are more than that there, just go and see. You will find movies by Hitchcock, Fritz Lang, Warhol, Kubrick, Cronenberg and Tarkovsky. Classics, unknown and old movies like the 39 Steps, Solaris and Plan 9 from Outer Space. You’ll find a movie about Alan Turing, one about Titanic and then 700 other movies.
That’s a good start, you’ll find more at
Business Insider made the above video that will show you the scale of our universe from the smallest part we know to the biggest. Movies and animations like this has been done for a while. The best is the Scale of the Universe 2, made by Cary and Michael Huang at htwins.net.
Khan Academy has its own Scale of the Universe, by Salman Khan.
Wikipedia: Khan Academy | Orders of magnitude | Orders of magnitude (length)