Science Questions | Science And Futurism With Isaac Arthur

bookmark Pinned globally Oct. 14, 2021 spacefahrer

Science Questions

forum 58 replies Oct. 14, 2021 spacefahrer

spacefahrer Oct. 14, 2021
bookmark Pinned globally SFIA episode Aug. 22, 2021 DanCar

New SFIA Episodes Discussion Thread.

SFIA episode forum 19 replies Aug. 22, 2021 DanCar

DanCar Aug. 22, 2021
bookmark Pinned globally General July 31, 2021 AuburnAL

New to the SFIA Forum?

General forum 59 replies July 31, 2021 AuburnAL

AuburnAL July 31, 2021
bookmark Pinned globally General March 5, 2019 Stellarator

Rules and Guidelines

General forum 1 reply March 5, 2019 Stellarator

Stellarator March 5, 2019
bookmark_border Pinned locally May 12, 2020 daniellarrabee

Spinning Space Habitats & Other Megastructures Thread.

forum 19 replies May 12, 2020 daniellarrabee

daniellarrabee May 12, 2020
bookmark_border Pinned locally July 10, 2019 Dennis

Moon industrialization part 2

forum 12 replies July 10, 2019 Dennis

Dennis July 10, 2019
Oct. 8, 2021 Omits

Time travel to the Past I think I figured it out

forum 1 reply Oct. 8, 2021 Omits

Omits Oct. 8, 2021
Aug. 16, 2021 RichMigala

Can you measure the one way speed of light?

forum 0 replies Aug. 16, 2021 RichMigala

RichMigala Aug. 16, 2021
May 17, 2021 Megastructure8

O’Neill Cylinder

forum 3 replies May 17, 2021 Megastructure8

Megastructure8 May 17, 2021
March 29, 2021 Brimbar

Imagine a constructed ring around Earth

forum 5 replies March 29, 2021 Brimbar

Brimbar March 29, 2021
Feb. 18, 2021 TommyJo

Lunar Gateway - Yea or Nay?

forum 7 replies Feb. 18, 2021 TommyJo

TommyJo Feb. 18, 2021
Feb. 16, 2021 RichMigala

How long will it take from Kessler syndrome to Dyson sphere?

forum 3 replies Feb. 16, 2021 RichMigala

RichMigala Feb. 16, 2021
Feb. 12, 2021 Adissa

Computronium

forum 0 replies Feb. 12, 2021 Adissa

Adissa Feb. 12, 2021
Jan. 23, 2021 gwolffe356

How do you falsify substrate independence?

forum 10 replies Jan. 23, 2021 gwolffe356

gwolffe356 Jan. 23, 2021
Jan. 23, 2021 gwolffe356

Feasibility of Relativistic Ion Propulsion Systems

forum 3 replies Jan. 23, 2021 gwolffe356

gwolffe356 Jan. 23, 2021
Nov. 28, 2020 MultiTool

Expanding universe without dark energy or a big bang

forum 5 replies Nov. 28, 2020 MultiTool

MultiTool Nov. 28, 2020
Sept. 11, 2020 masonnl

How fast does the Earth move through space?

forum 2 replies Sept. 11, 2020 masonnl

masonnl Sept. 11, 2020
June 29, 2020 NHarhan

Understanding Time Dilation

forum 6 replies June 29, 2020 NHarhan

NHarhan June 29, 2020
June 21, 2020 Metatron

Airborne Wind Energy (AWE) Revolution

forum 0 replies June 21, 2020 Metatron

Metatron June 21, 2020
May 3, 2020 Stellarator

Rogue planet enters our solar system

forum 12 replies May 3, 2020 Stellarator

Stellarator May 3, 2020
May 3, 2020 Stellarator

Revolutionary Phenotype

forum 3 replies May 3, 2020 Stellarator

Stellarator May 3, 2020
March 19, 2020 Stellarator

Wierd Aliens

forum 1 reply March 19, 2020 Stellarator

Stellarator March 19, 2020
March 19, 2020 Stellarator

Black hole mass

forum 1 reply March 19, 2020 Stellarator

Stellarator March 19, 2020
Jan. 28, 2020 Hub

The Great Pyramid at Giza is actually a power plant.

forum 3 replies Jan. 28, 2020 Hub

Hub Jan. 28, 2020
Oct. 28, 2019 RichMigala

When Galaxies Collide

forum 12 replies Oct. 28, 2019 RichMigala

RichMigala Oct. 28, 2019
July 29, 2019 snelson

Earth's last twilight

forum 2 replies July 29, 2019 snelson

snelson July 29, 2019
May 3, 2019 JRSnow

Nuclear Fusion

forum 7 replies May 3, 2019 JRSnow

JRSnow May 3, 2019