Earthlings and astronauts chat away, via ham radio
The International Space Station cost more than $100 billion. A ham radio set can be had for a few hundred bucks.
Space Exploration
Dec 23, 2020
5
5750
News tagged with radio station
First battery-free cellphone makes calls by harvesting ambient power
University of Washington researchers have invented a cellphone that requires no batteries—a major leap forward in moving beyond chargers, cords and dying phones. Instead, the phone harvests the few microwatts of power it ...
Engineering
Jul 5, 2017
5
5708
After the Moon, people on Mars by 2033... or 2060
On December 11, 2017, US President Donald Trump signed a directive ordering NASA to prepare to return astronauts to the Moon "followed by human missions to Mars and other destinations."
Space Exploration
May 18, 2019
130
1339
Cooling radio waves to their quantum ground state
Researchers at Delft University of Technology have found a new way to cool radio waves all the way down to their quantum ground state. To do so, they used circuits that employ an analog of the so-called laser cooling technique ...
Quantum Physics
Oct 15, 2021
4
3158
NASA contacts Voyager 2 using upgraded Deep Space Network dish
On Oct. 29, mission operators sent a series of commands to NASA's Voyager 2 spacecraft for the first time since mid-March. The spacecraft has been flying solo while the 70-meter-wide (230-foot-wide) radio antenna used to ...
Space Exploration
Nov 4, 2020
0
3845
Stellar collision triggers supernova explosion
Astronomers have found dramatic evidence that a black hole or neutron star spiraled its way into the core of a companion star and caused that companion to explode as a supernova. The astronomers were tipped off by data from ...
Astronomy
Sep 2, 2021
13
2589
Space station astronauts ham it up to inspire student scientists
On Thursday, March 10, 2016 astronauts on the International Space Station logged their 1,000th educational contact with the ground. NASA astronaut Tim Kopra answered questions posed by the North Dakota Space Grant Consortium ...
Space Exploration
Mar 11, 2016
0
183
Laser cloaking device could help us hide from aliens
Two astronomers at Columbia University in New York suggest humanity could use lasers to conceal the Earth from searches by advanced extraterrestrial civilisations. Professor David Kipping and graduate student Alex Teachey ...
Astronomy
Mar 31, 2016
33
2031
NASA is laser-focused on deep space communication
Today's technology has all but eliminated time delays in telecommunication on Earth, but when they do occur they can be frustrating, especially when trying to communicate complex or time sensitive information. The same type ...
Space Exploration
Aug 24, 2015
0
140
The coolest experiment in the universe
What's the coldest place you can think of? Temperatures on a winter day in Antarctica dip as low as -120ºF (-85ºC). On the dark side of the Moon, they hit -280ºF (-173ºC). But inside NASA's Cold Atom Laboratory on the ...
General Physics
Dec 21, 2018
2
252
