« May 2, 2021 | Main | May 4, 2021 »
May 3, 2021 Archives
Monday, May 3, 2021
CONTEXT: News You Can Use—Pure Fusion: D-T Plasma Ignition by Overdriven Detonation of High Explosives
The hard part about a thermonuclear weapon is acquiring the material for a fission primary and arranging it in a precise configuration (the explosive lens).
— ToughSF (@ToughSf) May 3, 2021
What if you could get rid of that part and ignite fusion with high explosives directly?https://t.co/dvDLsok9jF pic.twitter.com/hn1noHgQaB
Edward Teller always believed this was possible.
In 1989, I wrote a story about abundant neutron generation by impact-driven pure fusion, “Not with a Bang”.
Posted at
18:24
CONTEXT: Make a Space Suit from Duct Tape?
Paging Adam Savage….
Posted at
14:43
TRACKING WITH CLOSEUPS: International Space Station Transits the Moon
The ISS passing in front of the Moon at 7.67 km/s
— Latest in space (@latestinspace) May 2, 2021
🎥Peter Rosén (IG:@pixmix_photo)#space pic.twitter.com/W4oEQRTiJL
Posted at
12:15
CONTEXT: Smallest Rational Right Triangle with Area 157
In 1993 Don Zagier found the smallest rational right triangle with area 157. He used sophisticated techniques using elliptic curves paired with a lot of computational power. pic.twitter.com/QZp33OMBeu
— Fermat's Library (@fermatslibrary) May 2, 2021
Posted at
11:41
CONTINUITY: From 1966—RCA TR-4 Video Tape Recorder
Introduced in 1964, the TR-4 was larger than a big American refrigerator and cost, depending upon options, US$35,000 and up in 1966, or around US$290,000 in today's funny money. It used two inch wide tape on giant reels and was able, with an optional accessory, to handle colour signals.
Posted at
11:00