The Omniscope 2019/2/17 Based on a paper I’ve written with Matias Zaldarriaga which we plan to post to astro-ph once this conference ends. MT & Matias Zaldarriaga, arXiv:0805.4414, 0909.0001

T H E O M N I S C O P E R S Courtney Peterson Tongyan Lin Mike matejek 2019/2/17 Mike matejek Ed Morgan Joel Villasenor Jackie Hewitt Andy Lutomirski Adrian Liu Chris Williams When I first had the idea about a year ago, I thought it was rather obvious so that the reason it hadn’t been done must be that it was somehow flawed. What we’ve realized since then is that it’s not flawed, but simply didn’t make sense until now (Moore’s law, 21cm application didn’t exist) T H E O M N I S C O P E R S

T H E O M N I S C O P E R S Scott Morrison 2019/2/17 Scott Morrison Based on a paper I’ve written with Matias Zaldarriaga which we plan to post to astro-ph once this conference ends. T H E O M N I S C O P E R S

Henrique Pondé Oliveira Pinto 2019/2/17 Kris Zarb Scott Morrison Henrique Pondé Oliveira Pinto Nevada Sanchez Joe Lee Based on a paper I’ve written with Matias Zaldarriaga which we plan to post to astro-ph once this conference ends.

T H E O M N I S C O P E R S Matias Zaldarriaga 2019/2/17 When I first had the idea about a year ago, I thought it was rather obvious so that the reason it hadn’t been done must be that it was somehow flawed. What we’ve realized since then is that it’s not flawed, but simply didn’t make sense until now (Moore’s law, 21cm application didn’t exist) T H E O M N I S C O P E R S

2019/2/17 When I first had the idea about a year ago, I thought it was rather obvious so that the reason it hadn’t been done must be that it was somehow flawed. What we’ve realized since then is that it’s not flawed, but simply didn’t make sense until now (Moore’s law, 21cm application didn’t exist)

Foreground removal astro-ph/0501081, 0807.3952 0903.4890 2019/2/17 Foreground modeling 0802.1525 Foreground removal astro-ph/0501081, 0807.3952 0903.4890 Optimal mapmaking 0909.0001 Automatic calibration 1001.5268 Faster correlation 0805.4414, 0909.0001 Corner turning 0910.1351 Survey design optimization 0802.1710 Based on a paper I’ve written with Matias Zaldarriaga which we plan to post to astro-ph once this conference ends.

Single-dish telescope: How get huge sensitivity at low cost? 2019/2/17 2019/2/17 Sensitivity T (A)-1/2 Single-dish telescope: cost A1.35 Interferometer: cost N2  A2 FFTT telescope idea: cost A, ~2 Telescopes as Fourier transformers 8

2019/2/17 When I first had the idea about a year ago, I thought it was rather obvious so that the reason it hadn’t been done must be that it was somehow flawed. What we’ve realized since then is that it’s not flawed, but simply didn’t make sense until now (Moore’s law, 21cm application didn’t exist)

2019/2/17 2019/2/17 10

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The sensitivity frontier 2019/2/17 The sensitivity frontier Omniscope MT & Zaldarriaga, arXiv:0805.4414

LSS 21cm tomography Our observable universe Last scattering surface 2019/2/17 Our observable universe LSS Last scattering surface 21cm tomography

Our observable universe 2019/2/17 Our observable universe LSS Spatial curvature: WMAP+SDSS: tot= 0.01 Planck: tot= 0.003 21cm: tot=0.0002 Mao, MT, McQuinn, Zahn & Zaldarriaga 2008 21cm tomography

Our observable universe 2019/2/17 Our observable universe LSS Spectral index running: Planck:  =0.005 21cm =0.00017 2-potential: 0.0007 4-potential: 0.008 Mao, MT, McQuinn, Zahn & Zaldarriaga 2008 21cm tomography

Our observable universe Neutrino mass: WMAP+SDSS: m <0.3 eV +LyF: m <0.17 eV Oscillations m>0.04 eV Future lensing: m~0.03 eV 21cm: m=0.007 eV 2019/2/17 Our observable universe LSS Final punchline: we’ll be talking lots at this meeting about fascinating physics we’ve learned from current cosmology data. But let’s not become complacent and lose sight of small a fraction of our universe we’ve mapped, and how much better we can do if we map the rest. Mao, MT, McQuinn, Zahn & Zaldarriaga 2008 21cm tomography

2019/2/17