Smithsonian HD Network

Hoa Kỳ Hoa Kỳ

Smithsonian HD Network giới thiệu các chương trình tài liệu và thực tế được lấy từ kho lưu trữ và nghiên cứu của viện bảo tàng. Kênh tập trung vào lịch sử nước Mỹ, khoa học tự nhiên, thám hiểm không gian và di sản văn hóa, thường có các thước phim lưu trữ và bình luận chuyên gia. Các chương trình bao gồm các chủ đề như công nghệ quân sự, cổ sinh vật học, hàng không và cuộc đời của các tổng thống Mỹ. Nội dung của kênh được sản xuất ở độ phân giải cao và không có quảng cáo xen giữa trong nhiều khung giờ phát tài liệu. Kênh có sẵn qua các nhà cung cấp cáp và vệ tinh trên khắp nước Mỹ.

Người xem có thể tra cứu lịch phát sóng của kênh qua hướng dẫn truyền hình địa phương hoặc trang web của kênh, nơi liệt kê các chương trình s

How Did They Build That?
Trước
16:00–17:00
How Did They Build That?
How Did They Build That?
Hiện tại
17:00–18:00
How Did They Build That?
57m left
How Did They Fix That?
Tiếp theo
18:00–19:00
How Did They Fix That?
Lịch phát sóng
27 Th7Hôm quaHôm nayNgày mai31 Th7
How Did They Build That?
14:00 - 15:00
How Did They Build That?
Supertalls & Firehouses
Series, How-to
Alien port authority in Belgium; ultrathin skyscraper in Manhattan; hanging museum in Scotland.
How Did They Build That?
15:00 - 16:00
How Did They Build That?
Boxes & Birds
Series, How-to
The American Museum of Natural History in NYC gets a cave-like extension; an arts center inspired by migrating birds is built on a lake in China; Boston University gains a fossil-free, Jenga-like tower.
How Did They Build That?
16:00 - 17:00
How Did They Build That?
Heights & Balance
Series, How-to
A 1.2-million-square-foot office building balances precariously on a 39-foot wide base in Chicago; a building named Pterodactyl lands on top of a Los Angeles parking garage; the world's longest suspension footbridge.
How Did They Build That?
TRỰC TIẾP 17:00 - 18:00
How Did They Build That?
Subways & Sightlines
Series, How-to
A sculptural high-rise with rippling balconies breaks the mold in Chicago; Mammoth machines bore 26 miles of tunnels for an underground railroad beneath London's city streets.
How Did They Fix That?
18:00 - 19:00
How Did They Fix That?
Volcano Power
Series, Documentary
Mike is in Iceland, where teams harness the power of volcanos to keep the geothermal energy flowing; they battle harsh weather to maintain and upgrade giant power systems, fixing miles of steam pipes, and bringing a dead well back to life.
How Did They Fix That?
19:00 - 20:00
How Did They Fix That?
Documentary
An in-depth look at how things are repaired.
How Did They Fix That?
20:00 - 21:00
How Did They Fix That?
Philadelphia Transit
Series, Documentary
In Philadelphia, Mike is on streets, in tunnels, on tracks and in trolley restoration garages; he is working shoulder-to-shoulder with the team that keeps one of America's largest and oldest mass transit systems running smoothly and on time.
How Did They Fix That?
21:00 - 22:00
How Did They Fix That?
Water Work
Series, Documentary
In Florida, Mike tackles one of the dangerous jobs on the planet, commercial diving; he helps a specialized team keep waterways safe; fixing construction site leaks and removing dangerous structures, all while hurricane season is in full swing.
How Did They Build That?
22:00 - 23:00
How Did They Build That?
Mirrors & Marble
Series, How-to
Visiting Australia's One Central Park, the Oslo Opera House and the California Academy of Sciences in San Francisco to reveal their architectural secrets.
How Did They Build That?
23:00 - 00:00
How Did They Build That?
Parking & Sparkling
Series, How-to
A dazzling new 1400 foot tapering skyscraper is built right next to New York's Grand Central. A curving wine museum requires ingenious engineering in Bordeaux, France. And possibly the world's most glamorous parking garage.
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