Joseph Friedlander Archive

energyWhat If We Get Unlimited Supercheap Natural Gas (Methane)?

A guest post by Joseph Friedlander    In a reader comment I shall always treasure, I got this: What’s next, the economics of importing methane by wormhole from Titan?      Well, actually that would not be a bad business …

militaryUnderwater Nuclear Explosions: How Deep Is The Ocean, How High The Sky?

A guest post by Joseph Friedlander  Article Summary:  This is a longer article collecting and discussing data on underwater nuclear explosions and what they tell us of the physics of what happens when nuclear fire meets water from the inside. …

environmentExistential Risk Insurance: The Friedlander SkyShade

A guest article by Joseph Friedlander Article Summary: This is a highly speculative article about  possible defenses against a major solar event (if everything we know about solar long term stability turns out to be wrong.)  Or to defend against …

dronesCrowdfunding Movies– Why Isn’t It Done More Often?

A guest post by Joseph Friedlander Discussing crowdfunding heats up at times, and then takes a break, but the question recurs whenever the buzz does– why don’t we hear of more crowdfunding success stories? Brian Wang has written of crowdfunding …

energyAn Outline of The Uses of Supertall Towers

A guest post by Joseph Friedlander What qualifies as a supertall tower? In any era, a tower well beyond the previously built engineering limits. Many people think of towers as linked to the egos of builders, the peaks of finance …

chinaA Use For Robert Forward’s Statite Concept: Artificial Pole Stars

A guest post by Joseph Friedlander The recent striking close conjunction https://en.wikipedia.org/wiki/List_of_conjunctions_(astronomy)#2015 of Jupiter (around -1.8 or -2 magnitude) and Venus (-4.5 magnitude) in the late June and early July sky after sunset has given an easy visual comparison for …

amazonPluto And Charon: 99.5% of The Way There

A guest post by Joseph Friedlander The New Horizons Probe is rapidly approaching the Pluto/Charon system. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute Details at http://pluto.jhuapl.edu/Multimedia/Science-Photos/image.php?gallery_id=2&image_id=181 Details at: http://pluto.jhuapl.edu/News-Center/News-Article.php?page=20150622 Notice that this is a double world system, orbiting an exposed barycenter.   …

air forceWhat Are The Bright Spots On Ceres?

A guest post by Joseph Friedlander Paul Scott Anderson of The Meridiani Journal blog has written about the bright spots on Ceres,  as has Brian Wang of Next Big Future https://www.nextbigfuture.com/2015/02/nasa-dawns-spacecraft-will-be-orbiting.html at  http://themeridianijournal.com/2015/05/image-gallery-closer-view-of-ceres-bright-spots/ Anderson has published a nice crop of …

energyA Little Known Fact About The Rosetta Comet Rendezvous and Landing Mission

A guest post by Joseph Friedlander The current Rosetta mission to Comet 67P/ Churyumov-Gerasimenko, is remarkable for this reason: It is the first probe using gravity assists to a target that itself has undergone gravity assists, in this case from …

buildingsA Little Known Fact About The Rosetta Comet Rendezvous and Landing Mission

A guest post by Joseph Friedlander The current Rosetta mission to Comet 67P/ Churyumov-Gerasimenko, is remarkable for this reason: It is the first probe using gravity assists to a target that itself has undergone gravity assists, in this case from …